loadparm: remove services read from smb.conf when starting over for config backend registry.

Michael
(This used to be commit b942ff6b7f)

source3/param/loadparm.c

@@ -8716,6 +8716,7 @@ bool lp_load(const char *pszFname,
 			config_backend = CONFIG_BACKEND_REGISTRY;
 			/* start over */
 			init_globals(false);
+			lp_kill_all_services();
 			return lp_load(pszFname, global_only, save_defaults,
 				       add_ipc, initialize_globals);
 		}