ns2: follow ns2 sns api changes

Related: OS#4472, OS#4890
Depends: libosmocore.git I71cdbfb53e361e6112fed5e2712236d797ef3ab2
Change-Id: Id530e5497c17885817493f8a8a9436bc187c88aa
diff --git a/src/gprs_bssgp_pcu.cpp b/src/gprs_bssgp_pcu.cpp
index b29413d..f966a79 100644
--- a/src/gprs_bssgp_pcu.cpp
+++ b/src/gprs_bssgp_pcu.cpp
@@ -1000,7 +1000,7 @@
 
 		/* FIXME: for SNS we just use the first successful NS-VC instead of all for the initial connect */
 		if (bts->ns_dialect == NS2_DIALECT_SNS) {
-			rc = gprs_ns2_ip_connect_sns(bind[i], &remote[i], nsei);
+			rc = gprs_ns2_sns_add_endpoint(bts->nse, &remote[i]);
 			if (!rc)
 				return rc;
 			else