code cleanup: combine Wavegen_Klatt() and Wavegen_Klatt2().

Wavegen_Klatt2() only had one if-statement and then called
Wavegen_Klatt(). Wavegen_Klatt() was never called directly.

src/libespeak-ng/klatt.c

 static double DBtoLIN(long);
 static void frame_init(klatt_frame_ptr);
 static void setabc(long, long, resonator_ptr);
+static void SetSynth_Klatt(int length, frame_t *fr1, frame_t *fr2, voice_t *v, int control);
 static void setzeroabc(long, long, resonator_ptr);
 
 static klatt_frame_t kt_frame;
 static double klattp1[N_KLATTP];
 static double klattp_inc[N_KLATTP];
 
-static int Wavegen_Klatt(int resume)
+int Wavegen_Klatt(int length, int resume, frame_t *fr1, frame_t *fr2)
 {
+	if (resume == 0)
+		SetSynth_Klatt(length, fr1, fr2, wvoice, 1);
+
 	int pk;
 	int x;
 	int ix;
 	}
 }
 
-int Wavegen_Klatt2(int length, int resume, frame_t *fr1, frame_t *fr2)
-{
-	if (resume == 0)
-		SetSynth_Klatt(length, fr1, fr2, wvoice, 1);
-
-	return Wavegen_Klatt(resume);
-}
-
 void KlattInit()
 {
 

src/libespeak-ng/klatt.h

 
 void KlattInit(void);
 void KlattReset(int control);
-int Wavegen_Klatt2(int length, int resume, frame_t *fr1, frame_t *fr2);
-
+int Wavegen_Klatt(int length, int resume, frame_t *fr1, frame_t *fr2);
 
 #ifdef __cplusplus
 }

src/libespeak-ng/wavegen.c

 			wdata.n_mix_wavefile = 0; // ... and drop through to WCMD_SPECT case
 		case WCMD_KLATT:
 			echo_complete = echo_length;
-			result = Wavegen_Klatt2(length & 0xffff, resume, (frame_t *)q[2], (frame_t *)q[3]);
+			result = Wavegen_Klatt(length & 0xffff, resume, (frame_t *)q[2], (frame_t *)q[3]);
 			break;
 #endif
 		case WCMD_MARKER: