gprs_ns2_sns: implement local change weight procedure

When changing the bind ip-sns weight, initiate a
SNS CHANGE WEIGHT procedure to inform the other side.

Related: OS#5036
Change-Id: Icec4dabb46bc198f68f91bfe09ba279fbe68d454
diff --git a/src/gb/gprs_ns2_vty.c b/src/gb/gprs_ns2_vty.c
index 0aa7902..52ce207 100644
--- a/src/gb/gprs_ns2_vty.c
+++ b/src/gb/gprs_ns2_vty.c
@@ -101,6 +101,7 @@
 	{ 7, "tsns-prov" },
 	{ 8, "tsns-size-retries" },
 	{ 9, "tsns-config-retries" },
+	{10, "tsns-procedures-retries" },
 	{ 0, NULL }
 };