Corrected four way handshake Message 2 retry

There was a bug in retry logic which failed the protocol.

Author: Mika Leppänen

source/Security/protocols/fwh_sec_prot/supp_fwh_sec_prot.c

@@ -346,6 +346,7 @@ static void supp_fwh_sec_prot_state_machine(sec_prot_t *prot)
                 // Send 4WH message 2
                 supp_fwh_sec_prot_message_send(prot, FWH_MESSAGE_2);
                 data->common.ticks = 30 * 10; // 30 seconds
+                return;
             } else if (data->recv_msg != FWH_MESSAGE_3) {
                 return;
             }