FreeSWITCH-FS-8767

Merge pull request #668 in FS/freeswitch from bugfix/FS-8673-core-dump-on-playback-after-decode to master

* commit '2db6cc18ea66a71edd8867d625be850395298886':
  FS-8673 #resolve [core dump on playback after "Decode Codec is not initialized!" log message]