bsc: Allow to use different LAC/CI for the core-network

We need to use different LAC/CI towards the core network.
It is a bit problematic as LAC/CI is a per BTS attribute
so this feature only works if a BSC manages everything in
the same LAC.

Related: SYS#1398
diff --git a/openbsc/include/openbsc/osmo_msc_data.h b/openbsc/include/openbsc/osmo_msc_data.h
index add561c..bdc762a 100644
--- a/openbsc/include/openbsc/osmo_msc_data.h
+++ b/openbsc/include/openbsc/osmo_msc_data.h
@@ -1,8 +1,8 @@
 /*
  * Data for the true BSC
  *
- * (C) 2010-2011 by Holger Hans Peter Freyther <zecke@selfish.org>
- * (C) 2010-2011 by On-Waves
+ * (C) 2010-2015 by Holger Hans Peter Freyther <zecke@selfish.org>
+ * (C) 2010-2015 by On-Waves
  * All Rights Reserved
  *
  * This program is free software; you can redistribute it and/or modify
@@ -67,6 +67,8 @@
 	struct bsc_msc_connection *msc_con;
 	int core_ncc;
 	int core_mcc;
+	int core_lac;
+	int core_ci;
 	int rtp_base;
 
 	/* audio codecs */