gprs_ns2: Pass peer/remote sockaddr argument to ns2_create_vc()

This is a preparation towards auto-creating SNS NS-VCs in SGSN role

Related: OS#3373
Change-Id: Idf92712079cd9b7e4ff2cf8df314b372d63e6e52
diff --git a/src/gb/gprs_ns2_internal.h b/src/gb/gprs_ns2_internal.h
index 7e235be..80e664c 100644
--- a/src/gb/gprs_ns2_internal.h
+++ b/src/gb/gprs_ns2_internal.h
@@ -279,6 +279,7 @@
 
 enum ns2_cs ns2_create_vc(struct gprs_ns2_vc_bind *bind,
 			       struct msgb *msg,
+			       const struct osmo_sockaddr *remote,
 			       const char *logname,
 			       struct msgb **reject,
 			       struct gprs_ns2_vc **success);