Allow *.spx glob for audio/x-speex+ogg
All common (and uncommon) tools produce speex in ogg container, and some people use a *.spx extension instead of .oga or .ogg.
Fixes #103 (closed)
All common (and uncommon) tools produce speex in ogg container, and some people use a *.spx extension instead of .oga or .ogg.
Fixes #103 (closed)