--- symmetry.pl	2007/08/31 14:28:27	11
+++ symmetry.pl	2007/08/31 15:17:11	12
@@ -178,7 +178,7 @@
 
 	if ( $usage > 4 ) {
 		warn "SKIPPED, usage > 4\n";
-		return;
+		return 0;
 	}
 
 	while( 1 ) {