This patch is part of a series of patches for speech-tools for
Debian GNU/Linux, which primarily fix build errors with GCC 4.3 and newer.

Index: b/include/EST_wave_aux.h
===================================================================
--- a/include/EST_wave_aux.h
+++ b/include/EST_wave_aux.h
@@ -97,6 +97,7 @@
 void uchar_to_short(const unsigned char *chars,short *data,int length);
 void short_to_char(const short *data,unsigned char *chars,int length);
 void short_to_ulaw(const short *data,unsigned char *ulaw,int length);
+void short_to_alaw(const short *data,unsigned char *alaw,int length);
 
 // Used when setting Waves in Features
 VAL_REGISTER_CLASS_DCLS(wave,EST_Wave)