[sr-dev] [kamailio/kamailio] Compile Warnings in app_sqlang (#2400)

[Joshua Elson]

### Description

Handful of new compile warnings popped up with Kamailio 5.3.5.

#### Reproduction

Compile warnings:

```
CC (gcc) [M app_sqlang.so]		app_sqlang_mod.o
make --no-print-directory -C ./squirrel/squirrel SQMARCH64="-m64" CC_EXTRA_FLAGS="-fPIC" \
	OUT="../../libsquirrel.a" sq64
gcc -O2 -m64 -D_SQ64 -fno-exceptions -fno-rtti -Wall -fno-strict-aliasing -c sqapi.cpp sqbaselib.cpp sqfuncstate.cpp sqdebug.cpp sqlexer.cpp sqobject.cpp sqcompiler.cpp sqstate.cpp sqtable.cpp sqmem.cpp sqvm.cpp sqclass.cpp -I../include -I. -Iinclude -fPIC
In file included from sqobject.h:5,
                 from sqpcheader.h:17,
                 from sqapi.cpp:4:
squtils.h: In instantiation of 'void sqvector<T>::remove(SQUnsignedInteger) [with T = SQObjectPtr; SQUnsignedInteger = long long unsigned int]':
sqarray.h:83:27:   required from here
squtils.h:97:20: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'struct SQObjectPtr' with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
   97 |             memmove(&_vals[idx], &_vals[idx+1], sizeof(T) * (_size - idx - 1));
      |             ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from sqpcheader.h:17,
                 from sqapi.cpp:4:
sqobject.h:205:8: note: 'struct SQObjectPtr' declared here
  205 | struct SQObjectPtr : public SQObject
      |        ^~~~~~~~~~~
In file included from sqobject.h:5,
                 from sqpcheader.h:17,
                 from sqbaselib.cpp:4:
squtils.h: In instantiation of 'void sqvector<T>::remove(SQUnsignedInteger) [with T = SQObjectPtr; SQUnsignedInteger = long long unsigned int]':
sqarray.h:83:27:   required from here
squtils.h:97:20: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'struct SQObjectPtr' with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
   97 |             memmove(&_vals[idx], &_vals[idx+1], sizeof(T) * (_size - idx - 1));
      |             ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from sqpcheader.h:17,
                 from sqbaselib.cpp:4:
sqobject.h:205:8: note: 'struct SQObjectPtr' declared here
  205 | struct SQObjectPtr : public SQObject
      |        ^~~~~~~~~~~
In file included from sqobject.h:5,
                 from sqpcheader.h:17,
                 from sqobject.cpp:4:
squtils.h: In instantiation of 'void sqvector<T>::remove(SQUnsignedInteger) [with T = SQObjectPtr; SQUnsignedInteger = long long unsigned int]':
sqarray.h:83:27:   required from here
squtils.h:97:20: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'struct SQObjectPtr' with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
   97 |             memmove(&_vals[idx], &_vals[idx+1], sizeof(T) * (_size - idx - 1));
      |             ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from sqpcheader.h:17,
                 from sqobject.cpp:4:
sqobject.h:205:8: note: 'struct SQObjectPtr' declared here
  205 | struct SQObjectPtr : public SQObject
      |        ^~~~~~~~~~~
In file included from sqobject.h:5,
                 from sqpcheader.h:17,
                 from sqstate.cpp:4:
squtils.h: In instantiation of 'void sqvector<T>::remove(SQUnsignedInteger) [with T = SQObjectPtr; SQUnsignedInteger = long long unsigned int]':
sqarray.h:83:27:   required from here
squtils.h:97:20: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'struct SQObjectPtr' with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
   97 |             memmove(&_vals[idx], &_vals[idx+1], sizeof(T) * (_size - idx - 1));
      |             ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from sqpcheader.h:17,
                 from sqstate.cpp:4:
sqobject.h:205:8: note: 'struct SQObjectPtr' declared here
  205 | struct SQObjectPtr : public SQObject
      |        ^~~~~~~~~~~
In file included from sqobject.h:5,
                 from sqpcheader.h:17,
                 from sqvm.cpp:4:
squtils.h: In instantiation of 'void sqvector<T>::remove(SQUnsignedInteger) [with T = SQObjectPtr; SQUnsignedInteger = long long unsigned int]':
sqarray.h:83:27:   required from here
squtils.h:97:20: warning: 'void* memmove(void*, const void*, size_t)' writing to an object of type 'struct SQObjectPtr' with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
   97 |             memmove(&_vals[idx], &_vals[idx+1], sizeof(T) * (_size - idx - 1));
      |             ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from sqpcheader.h:17,
                 from sqvm.cpp:4:
sqobject.h:205:8: note: 'struct SQObjectPtr' declared here
  205 | struct SQObjectPtr : public SQObject
      |        ^~~~~~~~~~~
ar rc ../../libsquirrel.a *.o
rm *.o
make --no-print-directory -C ./squirrel/sqstdlib SQMARCH64="-m64" CC_EXTRA_FLAGS="-fPIC" \
	OUT="../../libsqstdlib.a" sq64
gcc -O2 -m64 -fno-exceptions -D_SQ64 -fno-rtti -Wall -fno-strict-aliasing -c sqstdblob.cpp sqstdio.cpp sqstdstream.cpp sqstdmath.cpp sqstdsystem.cpp sqstdstring.cpp sqstdaux.cpp sqstdrex.cpp -I../include -I. -Iinclude -fPIC
ar rc ../../libsqstdlib.a *.o
rm *.o
```

#### Debugging Data

**Operating System**:

Alpine Linux Latest

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