nat: Add code to find a BSC connection by the given msc multiplex
diff --git a/openbsc/include/openbsc/bsc_nat.h b/openbsc/include/openbsc/bsc_nat.h
index 6f79106..412d9a8 100644
--- a/openbsc/include/openbsc/bsc_nat.h
+++ b/openbsc/include/openbsc/bsc_nat.h
@@ -183,4 +183,6 @@
 void bsc_mgcp_free_endpoints(struct bsc_nat *nat);
 int bsc_mgcp_init(struct bsc_nat *nat);
 
+struct bsc_connection *bsc_mgcp_find_con(struct bsc_nat *, int endpoint_number);
+
 #endif