Remove additional blank lines.

src/libespeak-ng/tr_languages.c

@@ -1523,12 +1523,8 @@ Translator *SelectTranslator(const char *name)
 		tr->langopts.stress_rule = STRESSPOSN_1L;
 		tr->langopts.numbers = NUM_AND_UNITS | NUM_HUNDRED_AND | NUM_OMIT_1_HUNDRED | NUM_OMIT_1_THOUSAND | NUM_SINGLE_STRESS;
 		break;
-
 	case L_cmn: // no break, just go to 'zh' case
-
 	case L_zhy: // just go to 'zh' case
-
-
 	case L('z','h'):
 	{
 		static const short stress_lengths_zh[8] = { 230, 150, 230, 230, 230, 0, 240, 250 }; // 1=tone5. end-of-sentence, 6=tone 1&4, 7=tone 2&3