mscsplit: bsc_vty_init(): decouple from global bsc_gsmnet

Add an explicit gsm_network pointer instead of using the bsc_gsmnet global.
This allows passing a gsm_network struct from the main() scope, which helps to
decouple libmsc from libbsc.

Change-Id: I9e2c0d9c18d4cebb5efb71565ad84df2bc2e0251
diff --git a/openbsc/src/libbsc/bsc_vty.c b/openbsc/src/libbsc/bsc_vty.c
index 01eec23..cdcc011 100644
--- a/openbsc/src/libbsc/bsc_vty.c
+++ b/openbsc/src/libbsc/bsc_vty.c
@@ -4028,7 +4028,7 @@
 
 extern int bsc_vty_init_extra(void);
 
-int bsc_vty_init(const struct log_info *cat)
+int bsc_vty_init(const struct log_info *cat, struct gsm_network *network)
 {
 	cfg_ts_pchan_cmd.string =
 		vty_cmd_string_from_valstr(tall_bsc_ctx,
diff --git a/openbsc/src/osmo-bsc/osmo_bsc_main.c b/openbsc/src/osmo-bsc/osmo_bsc_main.c
index 3594a5b..2ee5fb4 100644
--- a/openbsc/src/osmo-bsc/osmo_bsc_main.c
+++ b/openbsc/src/osmo-bsc/osmo_bsc_main.c
@@ -204,7 +204,7 @@
 	/* This needs to precede handle_options() */
 	vty_info.copyright = openbsc_copyright;
 	vty_init(&vty_info);
-	bsc_vty_init(&log_info);
+	bsc_vty_init(&log_info, bsc_gsmnet);
 	bsc_msg_lst_vty_init(tall_bsc_ctx, &access_lists, BSC_NODE);
 	ctrl_vty_init(tall_bsc_ctx);
 
diff --git a/openbsc/src/osmo-bsc_nat/bsc_nat_vty.c b/openbsc/src/osmo-bsc_nat/bsc_nat_vty.c
index 3708bc2..706e507 100644
--- a/openbsc/src/osmo-bsc_nat/bsc_nat_vty.c
+++ b/openbsc/src/osmo-bsc_nat/bsc_nat_vty.c
@@ -1329,7 +1329,7 @@
 
 
 /* called by the telnet interface... we have our own init above */
-int bsc_vty_init(const struct log_info *cat)
+int bsc_vty_init(const struct log_info *cat, struct gsm_network *network)
 {
 	logging_vty_add_cmds(cat);
 	return 0;
diff --git a/openbsc/src/osmo-nitb/bsc_hack.c b/openbsc/src/osmo-nitb/bsc_hack.c
index 67efe4f..8e1ddae 100644
--- a/openbsc/src/osmo-nitb/bsc_hack.c
+++ b/openbsc/src/osmo-nitb/bsc_hack.c
@@ -271,7 +271,7 @@
 
 	/* This needs to precede handle_options() */
 	vty_init(&vty_info);
-	bsc_vty_init(&log_info);
+	bsc_vty_init(&log_info, bsc_gsmnet);
 	ctrl_vty_init(tall_bsc_ctx);
 
 #ifdef BUILD_SMPP