osmo-bsc: Add talloc context introspection via VTY

This requires libosmocore with Change-Id
I43fc42880b22294d83c565ae600ac65e4f38b30d or later.

Change-Id: I1245b6818eb54f5c0c8adddcd3a01ecc7363fb42
diff --git a/src/libbsc/bsc_vty.c b/src/libbsc/bsc_vty.c
index 3da4745..a719358 100644
--- a/src/libbsc/bsc_vty.c
+++ b/src/libbsc/bsc_vty.c
@@ -4314,6 +4314,7 @@
 	install_element_ve(&show_paging_group_cmd);
 
 	logging_vty_add_cmds(NULL);
+	osmo_talloc_vty_add_cmds();
 
 	install_element(GSMNET_NODE, &cfg_net_neci_cmd);
 	install_element(GSMNET_NODE, &cfg_net_T3101_cmd);