### Description

``` CC (gcc) [M db_redis.so] db_redis_mod.o CC (gcc) [M db_redis.so] redis_connection.o CC (gcc) [M db_redis.so] redis_dbase.o CC (gcc) [M db_redis.so] redis_table.o make[3]: 'libsrdb2.so.1.0' is up to date. make[3]: 'libsrdb1.so.1.0' is up to date. LD (gcc) [M db_redis.so] db_redis.so CC (gcc) [M ndb_redis.so] ndb_redis_mod.o CC (gcc) [M ndb_redis.so] redis_client.o redis_client.c: In function 'redisc_append_cmd': redis_client.c:558:31: error: expected 'while' before ';' token 558 | STR_ZTOV(cmd->s[cmd->len], c); | ^ redis_client.c: In function 'redisc_exec': redis_client.c:949:33: error: expected 'while' before ';' token 949 | STR_ZTOV(cmd->s[cmd->len], c); | ^ redis_client.c:983:34: error: expected 'while' before ';' token 983 | STR_ZTOV(cmd->s[cmd->len], c); | ^ redis_client.c:988:31: error: expected 'while' before ';' token 988 | STR_ZTOV(cmd->s[cmd->len], c); | ^ redis_client.c:1000:31: error: expected 'while' before ';' token 1000 | STR_ZTOV(cmd->s[cmd->len], c); | ^ redis_client.c:1005:31: error: expected 'while' before ';' token 1005 | STR_ZTOV(cmd->s[cmd->len], c); | ^ make[2]: *** [../../Makefile.rules:100: redis_client.o] Error 1 make[2]: *** Waiting for unfinished jobs.... make[1]: *** [Makefile:511: modules] Error 1 make[1]: Leaving directory '/usr/src/kamailio/pkg/kamailio/alpine/src/kamailio-4d758d5258097760c09a762929c5893c14ac3eef/src' make: *** [Makefile:34: all] Error 2

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ERROR: kamailio: build failed kamailio: Uninstalling dependencies...

(1/1) Purging .makedepends-kamailio (20200427.180718) OK: 786 MiB in 178 packages pre_build hook failed! (1) ``` Build failed after 4d758d5258097760c09a762929c5893c14ac3eef commit