diff --exclude-from=exclude -N -u -r nsacheckpolicy/module_compiler.c checkpolicy-2.0.18/module_compiler.c
--- nsacheckpolicy/module_compiler.c	2008-10-14 13:57:54.000000000 -0400
+++ checkpolicy-2.0.18/module_compiler.c	2008-10-28 10:10:03.000000000 -0400
@@ -904,8 +904,7 @@
 			return -1;
 		}
 	case -2:{
-			yyerror("duplicate declaration of type/attribute");
-			return -1;
+			return 0;
 		}
 	case -1:{
 			yyerror("could not require type/attribute here");