libwave: Use libdebug for debugging messages.

src/libdebug/debug.c

@@ -61,6 +61,7 @@ struct debug_cat {
 	{ "sdr", "\033[1;31m" },
 	{ "uhd", "\033[1;35m" },
 	{ "soapy", "\033[1;35m" },
+	{ "wave", "\033[1;33m" },
 	{ NULL, NULL }
 };
 

src/libdebug/debug.h

@@ -24,6 +24,7 @@
 #define DSDR		17
 #define DUHD		18
 #define DSOAPY		19
+#define DWAVE		20
 
 void get_win_size(int *w, int *h);