Fix JavaDoc warning

Author: britter

src/main/java/org/apache/commons/cli/TypeHandler.java

@@ -54,7 +54,8 @@ public static Object createValue(final String str, final Object obj) throws Pars
      * with the value of <code>str</code>.
      *
      * @param str the command line value
-     * @param clazz the type of argument
+     * @param clazz the class representing the type of argument
+     * @param <T> type of argument
      * @return The instance of <code>clazz</code> initialised with
      * the value of <code>str</code>.
      * @throws ParseException if the value creation for the given class failed