add mo->bts member so we can discover which BTS a MO belong sto
diff --git a/openbsc/include/openbsc/gsm_data_shared.h b/openbsc/include/openbsc/gsm_data_shared.h
index 51e0965..ab298c9 100644
--- a/openbsc/include/openbsc/gsm_data_shared.h
+++ b/openbsc/include/openbsc/gsm_data_shared.h
@@ -90,6 +90,7 @@
 	const char *name;
 	struct gsm_nm_state nm_state;
 	struct tlv_parsed *nm_attr;
+	struct gsm_bts *bts;
 };
 
 #define MAX_A5_KEY_LEN	(128/8)