voice.pl will now read the TTS correction expressions from a file
tools/voice-corrections.txt which includes regular expressions for
adjusting the string. This makes it easier to adjust the corrections and
allows integrating them into tools like Rockbox Utility.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29500 a1c6a512-1295-4272-9138-f99709370657