Re: [sr-dev] [kamailio/kamailio] several compilation warnings: parameter may be used uninitialized and other (#2169)

**tcpops.c** ``` LD (gcc) [M pv.so] pv.so CC (gcc) [M tcpops.so] tcpops_mod.o CC (gcc) [M tcpops.so] tcpops.o tcpops.c: In function 'tcpops_handle_tcp_closed': tcpops.c:264:31: warning: 'rt' may be used uninitialized in this function [-Wmaybe-uninitialized] 264 | run_top_route(event_rt.rlist[rt], fmsg, 0); | ^ tcpops.c:235:6: note: 'rt' was declared here 235 | int rt, backup_rt; | ^~ LD (gcc) [M tcpops.so] tcpops.so CC (gcc) [M db_cluster.so] dbcl_api.o CC (gcc) [M db_cluster.so] dbcl_data.o ```