Adds protected method #resetValues

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2284 b35dd754-fafc-0310-a699-88a17e54d16e

source/org/jivesoftware/smackx/FormField.java

@@ -263,6 +263,16 @@ public class FormField {
         }
     }
 
+    /**
+     * Removes all the values of the field.
+     *
+     */
+    protected void resetValues() {
+        synchronized (values) {
+            values.removeAll(new ArrayList(values));
+        }
+    }
+    
     /**
      * Adss an available options to the question that the user has in order to answer 
      * the question.