Oops, got | and ^ confused... :(

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@277487 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/ComponentHelper.java

@@ -583,7 +583,7 @@ public class ComponentHelper  {
     private boolean sameDefinition(
         AntTypeDefinition def, AntTypeDefinition old) {
         boolean defValid = validDefinition(def);
-        boolean sameValidity = !(defValid | validDefinition(old));
+        boolean sameValidity = !(defValid ^ validDefinition(old));
         return sameValidity && (!defValid || def.sameDefinition(old, project));
     }