Correct configuration written from vty

osmo-hlr would not read back written configuration due to
bad indentation in the mslookup->server->service section.

Also ipa-name was missing.

Change-Id: Ied4b9504f06a51c3895054a8b9d07a67eda3aeeb
diff --git a/src/dgsm_vty.c b/src/dgsm_vty.c
index 6f29d3b..00a60ea 100644
--- a/src/dgsm_vty.c
+++ b/src/dgsm_vty.c
@@ -442,7 +442,7 @@
 
 		msc = mslookup_server_msc_get(&mslookup_server_msc_wildcard, false);
 		if (msc)
-			config_write_msc_services(vty, " ", msc);
+			config_write_msc_services(vty, "  ", msc);
 
 		llist_for_each_entry(msc, &g_hlr->mslookup.server.local_site_services, entry) {
 			if (!osmo_ipa_name_cmp(&mslookup_server_msc_wildcard, &msc->name))