FreeSWITCH-FS-6836

Merge pull request #938 in FS/freeswitch from ~IXYD/freeswitch:bugfix/FS-9452-mod_sofia-sip-capture-src-and-dst to master

* commit 'ebaf95e709052c947c4bd679853d441569959750':
  FS-9452: fixed true/false logic for using dst flag