suppressed rawtype warning by specifying generics

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/ognl/trunk@1461652 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/test/java/org/apache/commons/ognl/test/OgnlTestCase.java b/src/test/java/org/apache/commons/ognl/test/OgnlTestCase.java
index 621d4ac..9d5052f 100644
--- a/src/test/java/org/apache/commons/ognl/test/OgnlTestCase.java
+++ b/src/test/java/org/apache/commons/ognl/test/OgnlTestCase.java
@@ -203,7 +203,7 @@
             }
 
             if (testedResult instanceof Class) {
-                Assert.assertTrue(Exception.class.isAssignableFrom((Class) testedResult));
+                Assert.assertTrue(Exception.class.isAssignableFrom((Class<?>) testedResult));
             } else {
             	throw ex;
             }