Update function prototype for espeak_TextToPhonemes() in speak_lib.h


git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@362 d46cf337-b52f-0410-862d-fd96e6ae7743
Merge branch 'upstream' into development
Merge branch 'development'

Conflicts:
	src/speak_lib.h