fix segfault in case of handover timer expiration
diff --git a/openbsc/src/handover_logic.c b/openbsc/src/handover_logic.c
index 66ff773..93870aa 100644
--- a/openbsc/src/handover_logic.c
+++ b/openbsc/src/handover_logic.c
@@ -169,6 +169,7 @@
 	/* start T3103.  We can continue either with T3103 expiration,
 	 * 04.08 HANDOVER COMPLETE or 04.08 HANDOVER FAIL */
 	ho->T3103.cb = ho_T3103_cb;
+	ho->T3103.data = ho;
 	bsc_schedule_timer(&ho->T3103, 10, 0);
 
 	return 0;