if the pending session returns a packet, use it, might be first of neg

comms.c

@@ -311,6 +311,12 @@ retmsg:
 			goto retmsg;
 		}
 
+		/* pending session advanced (likely to _WAIT_CONFIRM) */
+		if (pbouttmp.pktlen > 0) {
+			*pbout = pbouttmp;
+			return;
+		}
+
 		/* pending session didn't work, maybe new */
 		struct comms_session tmpsess;