gprs_bssgp_rim: also print NSEI when sending RIM messages

In bssgp_tx_rim we print source and destination address of the RIM
message we send, but we do not print the NSEI, even though this is also
an important address parameter.

Related: OS#6095
Change-Id: I2595abff28fc1d89c1409a2ca0194fedc6f15313
diff --git a/src/gb/gprs_bssgp_rim.c b/src/gb/gprs_bssgp_rim.c
index 71f7ea8..55609ed 100644
--- a/src/gb/gprs_bssgp_rim.c
+++ b/src/gb/gprs_bssgp_rim.c
@@ -1171,8 +1171,8 @@
 	msgb_bvci(msg) = 0;	/* Signalling */
 
 	bgph = (struct bssgp_normal_hdr *)msgb_bssgph(msg);
-	DEBUGP(DLBSSGP, "BSSGP BVCI=0 Tx RIM-PDU:%s, src=%s, dest=%s\n",
-	       bssgp_pdu_str(bgph->pdu_type),
+	DEBUGP(DLBSSGP, "BSSGP BVCI=0 NSEI=%u Tx RIM-PDU:%s, src=%s, dest=%s\n",
+	       nsei, bssgp_pdu_str(bgph->pdu_type),
 	       bssgp_rim_ri_name_buf(ri_src_str, sizeof(ri_src_str), &pdu->routing_info_src),
 	       bssgp_rim_ri_name_buf(ri_dest_str, sizeof(ri_dest_str), &pdu->routing_info_dest));