use valueof instead of new Boolean

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@274931 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -894,7 +894,8 @@ public final class IntrospectionHelper implements BuildListener {
                     public void set(Project p, Object parent, String value)
                         throws InvocationTargetException, IllegalAccessException {
                         m.invoke(parent,
-                                 new Boolean[] {new Boolean(Project.toBoolean(value))});
+                                 new Boolean[] {
+                                     Boolean.valueOf(Project.toBoolean(value))});
                     }
 
                 };