Use do { } while(0) instead of empty DBG if not debugging.

diff --git a/lib/birdlib.h b/lib/birdlib.h
index 22695c19b19badabc0aa92901c178b165178f772..6f053302ee397061551f37747eec7611ff0dff10 100644 (file)
--- a/lib/birdlib.h
+++ b/lib/birdlib.h
@@ -51,7 +51,7 @@ void debug(char *msg, ...);           /* Printf to debug output */
 #if defined(LOCAL_DEBUG) || defined(GLOBAL_DEBUG)
 #define DBG(x, y...) debug(x, ##y)
 #else
-#define DBG(x, y...)
+#define DBG(x, y...) do { } while(0)
 #endif
 
 #ifdef DEBUGGING