Import "fix-text2wave" patch from Debian

fix-text2wave: make text2wave work with the Finnish voices
Import "funcname" patch from Debian.

actually define 'suo_fi_lj_diphone function as it was intended.
Import "paths" patch from Debian

Remove references to home directories.
Import "sync-damaged-env" patch from Debian

fix SIOD ERROR messages when invoking 'festival --tts'