codecs.conf really shouldn't be mandatory..  it never had been before, so let's go back to being optional.
A big "thank you" to pnlarsson on IRC for allowing me access to his system to debug this.

Closes issue #11584.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@94541 65c4cc65-6c06-0410-ace0-fbb531ad65f3