Add -D flambe_disable_firefox_mp3.
Add -D flambe_disable_firefox_mp3.

This works around a Firefox bug in MP3 loading.

aduros/flambe,Disar/flambe,weilitao/flambe,markknol/flambe,markknol/flambe,playedonline/flambe,aduros/flambe,Disar/flambe,weilitao/flambe,aduros/flambe,weilitao/flambe,mikedotalmond/flambe,Disar/flambe,mikedotalmond/flambe,aduros/flambe,mikedotalmond/flambe,Disar/flambe,mikedotalmond/flambe,weilitao/flambe,playedonline/flambe,playedonline/flambe,markknol/flambe,playedonline/flambe