1 files changed, 1 insertions, 1 deletions
diff --git a/defines.h b/defines.h
index 0d115a45e9..681a20db7d 100644
--- a/defines.h
+++ b/defines.h
@@ -151,7 +151,7 @@ flush_register_windows(void)
 }
 #define FLUSH_REGISTER_WINDOWS	flush_register_windows()
 #else /* Not a sparc, so */
-#define FLUSH_REGISTER_WINDOWS	/* empty -- nothing to do here */
+#define FLUSH_REGISTER_WINDOWS	NULL
 #endif 
 
 #if defined(DOSISH)