use register_cmu_us_kal instead of register_cmu_us_kal16

Index: Tools/speech/FliteSpeechEngine.m
--- Tools/speech/FliteSpeechEngine.m.orig
+++ Tools/speech/FliteSpeechEngine.m
@@ -1,7 +1,7 @@
 #import "GSSpeechEngine.h"
 #include <flite/flite.h>
 
-cst_voice *register_cmu_us_kal16();
+cst_voice *register_cmu_us_kal();
 
 /**
  * Implementation of a speech engine using flite.  This should be the default
@@ -30,7 +30,7 @@ cst_voice *register_cmu_us_kal16();
   if (nil == (self = [super init])) { return nil; }
   
   // Only one voice supported by flite unless others are compiled in.
-  v = register_cmu_us_kal16();
+  v = register_cmu_us_kal();
   if (NULL == v)
     {
       [self release];