Fix a numerical overflow in wavegen() which could cause distortion when a voice file increases the height of formant peaks.

git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@92 d46cf337-b52f-0410-862d-fd96e6ae7743

src/translate.cpp

@@ -1494,7 +1494,7 @@ int Translator::TranslateWord2(char *word, WORD_TAB *wtab, int pre_pause, int ne
 	if(flags & FLAG_STRESS_END2)
 	{
 		// this's word's stress could be increased later
-		ph_list2[max_stress_ix].stress |= 0x80;
+		ph_list2[max_stress_ix].synthflags |= SFLAG_PROMOTE_STRESS;
 	}
 
 	prev_dict_flags = flags;