SMACK-324 removed non base64 char from SASL response packet.

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@12372 b35dd754-fafc-0310-a699-88a17e54d16e

source/org/jivesoftware/smack/sasl/SASLMechanism.java

@@ -263,9 +263,6 @@ public abstract class SASLMechanism implements CallbackHandler {
             if (authenticationText != null) {
                 stanza.append(authenticationText);
             }
-            else {
-                stanza.append("=");
-            }
             stanza.append("</response>");
             return stanza.toString();
         }