Generic fix

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@882971 13f79535-47bb-0310-9956-ffa450edef68

src/test/org/apache/commons/lang/reflect/MethodUtilsTest.java

@@ -87,7 +87,7 @@ public String foo(Object o) {
         }
     }
 
-    private static class TestMutable implements Mutable {
+    private static class TestMutable implements Mutable<Object> {
         public Object getValue() {
             return null;
         }