ipaccess-config: fix crash when doing test procedures

abis_nm_perform_test expect to have a l3 pointer set in the msg

Change-Id: I69812847d802e1893a138860fb18055ffd666698
---
M src/ipaccess/network_listen.c
1 file changed, 12 insertions(+), 0 deletions(-)

diff --git a/src/ipaccess/network_listen.c b/src/ipaccess/network_listen.c
index e9f5c93..78ccd25 100644
--- a/src/ipaccess/network_listen.c
+++ b/src/ipaccess/network_listen.c
@@ -98,6 +98,7 @@
 		memcpy(payload, phys_conf, phys_conf_len);
 	}
 
+	msg->l3h = msg->data;
 	abis_nm_perform_test(trx->bts, NM_OC_RADIO_CARRIER, 0, trx->nr, 0xff,
 			     testnr, 1, msg);
 	trx->ipaccess.test_nr = testnr;

