BSSAP_Adapter: Fix missing 'repeat' in as_reset_ack()

The as_reset_ack() exists to acknowledge any incoming RESET without
every test case having to deal with it explicitly.  However, of course,
the processing of an inbound RESET should not abort but the alt clause
shall continue.

Change-Id: I94dc72b5788ccc8dff2c4b80599c9fbf7e90e730
diff --git a/bsc/BSSAP_Adapter.ttcn b/bsc/BSSAP_Adapter.ttcn
index f1ff5b6..4268b29 100644
--- a/bsc/BSSAP_Adapter.ttcn
+++ b/bsc/BSSAP_Adapter.ttcn
@@ -120,6 +120,7 @@
 		log("Respoding to inbound RESET with RESET-ACK");
 		BSSAP.send(ts_BSSAP_UNITDATA_req(ud_ind.callingAddress, ud_ind.calledAddress,
 			   ts_BSSMAP_ResetAck));
+		repeat;
 	}
 }