memory leak spotted in mod_verto.c

[Architjain128]

Describe the bug

• Memory leak spotted in mod_verto.c
• the memory is allocated to re in switch_regex_perform used at http_run in mod_verto.c but was never freed

Package version or git hash

• Version 1.10.10

Trace logs
these are the logs by running fs via Valgrind

==1097== 22,808 bytes in 187 blocks are definitely lost in loss record 185 of 195
==1097==    at 0x48407B4: malloc (vg_replace_malloc.c:381)
==1097==    by 0x5109983: pcre_compile2 (in /usr/lib/x86_64-linux-gnu/libpcre.so.3.13.3)
==1097==    by 0x49588E7: switch_regex_perform (switch_regex.c:98)
==1097==    by 0xA1A2534: http_run (mod_verto.c:1909)
==1097==    by 0xA1A2534: client_run (mod_verto.c:2005)
==1097==    by 0xA1A2C2C: client_thread (mod_verto.c:2181)
==1097==    by 0x48DBD26: switch_core_session_thread_pool_worker (switch_core_session.c:1791)
==1097==    by 0x4D8A043: start_thread (pthread_create.c:442)
==1097==    by 0x4E0987F: clone (clone.S:100)