now that the 'languageprefix' option defaults to 'on', and all channels have a...

now that the 'languageprefix' option defaults to 'on', and all channels have a default language of 'en', let's install the English sound files into /var/lib/asterisk/sounds/en, just like the other languages


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@49069 65c4cc65-6c06-0410-ace0-fbb531ad65f3