New constructor for fields of type FIXED

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2300 b35dd754-fafc-0310-a699-88a17e54d16e

source/org/jivesoftware/smackx/FormField.java

@@ -91,6 +91,15 @@ public class FormField {
         this.variable = variable;
     }
     
+    /**
+     * Creates a new FormField of type FIXED. The fields of type FIXED do not define a variable 
+     * name. 
+     *  
+     */
+    public FormField() {
+        this.type = FormField.TYPE_FIXED; 
+    }
+    
     /**
      * Returns a description that provides extra clarification about the question. This information
      * could be presented to the user either in tool-tip, help button, or as a section of text