chan_ooh323: reset rrq count on gk registration

reset registration attempts count on success registration on gatekeeper

Change-Id: I5f47351852e0ca76c9ac78421659600e0f106336

addons/ooh323c/src/ooGkClient.c

@@ -1272,6 +1272,7 @@ int ooGkClientHandleRegistrationConfirm
       }
    }
    pGkClient->state = GkClientRegistered;
+   pGkClient->rrqRetries = 0;
    if(pGkClient->callbacks.onReceivedRegistrationConfirm)
       pGkClient->callbacks.onReceivedRegistrationConfirm(pRegistrationConfirm,
                                                               gH323ep.aliases);