works with old gcc versions too

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@1948 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/wmadec.c

@@ -199,7 +199,7 @@ static void dump_floats(const char *name, int prec, const float *tab, int n)
 
 #else
 
-#define trace(fmt, ...)
+#define trace(fmt, args...)
 
 #endif