Small fix to if statement! Jelly can be tricky!

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@113684 13f79535-47bb-0310-9956-ffa450edef68

pmd/plugin.jelly

@@ -43,8 +43,7 @@
     <!-- Only run PMD if it is enabled -->
     <j:set var="enable" value="${maven.pmd.enable}"/>    
 
-    <!-- Either am bloody dumb or this is the only way to make it work ?! -->
-    <j:if test="${enable.toString().equalsIgnoreCase('true')}">
+    <j:if test="${enable == 'true'}">
       <attainGoal name="pmd:report"/>
     </j:if>