cast to int to silence clang compile error

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45427 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

parse.y

@@ -10234,7 +10234,7 @@ id_type(ID id)
     }
     else {
 	VALUE dsym = (VALUE)id;
-	return RSYMBOL(dsym)->type;
+	return (int)(RSYMBOL(dsym)->type);
     }
 }