ns2: Stop test procedure when going into unconfigured state

When we're unconfigured and not yet started, we should not transmit
NS-ALIVE.

Change-Id: Ida3685e42a753899f1bf177eefcc23352ec7440d
Related: OS#4999
diff --git a/src/gb/gprs_ns2_vc_fsm.c b/src/gb/gprs_ns2_vc_fsm.c
index c77bc4d..f4c4e46 100644
--- a/src/gb/gprs_ns2_vc_fsm.c
+++ b/src/gb/gprs_ns2_vc_fsm.c
@@ -225,6 +225,12 @@
 	}
 }
 
+
+static void ns2_st_unconfigured_onenter(struct osmo_fsm_inst *fi, uint32_t old_state)
+{
+	stop_test_procedure(fi->priv);
+}
+
 static void ns2_st_unconfigured(struct osmo_fsm_inst *fi, uint32_t event, void *data)
 {
 	struct gprs_ns2_vc_priv *priv = fi->priv;
@@ -433,6 +439,7 @@
 		.out_state_mask = S(GPRS_NS2_ST_RESET) | S(GPRS_NS2_ST_ALIVE),
 		.name = "UNCONFIGURED",
 		.action = ns2_st_unconfigured,
+		.onenter = ns2_st_unconfigured_onenter,
 	},
 	[GPRS_NS2_ST_RESET] = {
 		.in_event_mask = S(GPRS_NS2_EV_RX_RESET_ACK) | S(GPRS_NS2_EV_RX_RESET),