FreeSWITCH-FS-6836

Merge pull request #348 in FS/freeswitch from ~DRAGOS_OANCEA/freeswitch-dragos:opus-cleanup-bugfix-asymmetric-fmtp to master

* commit '65135c5f403b87b64281dbfc9e6a97e4b351600e':
  FS-7832: fixes when comparing local and remote fmtp params