Merge pull request #242 from benelog/fix-log-2-5-x

Fix logging  message (for 2.5.x)

Author: lukaszlenart

core/src/main/java/org/apache/struts2/dispatcher/mapper/DefaultActionMapper.java

@@ -418,7 +418,7 @@ protected String cleanupNamespaceName(final String rawNamespace) {
         } else {
             LOG.warn(
                 "{} did not match allowed namespace names {} - default namespace {} will be used!",
-                rawNamespace, allowedActionNames, defaultActionName
+                rawNamespace, allowedNamespaceNames, defaultNamespaceName
             );
             return defaultNamespaceName;
         }