modules/usrloc: init _ul_sruid also in mi_child_init

(cherry picked from commit 2190c572cd1bc4b57a3c2dd5241e556b834c728c)

modules/usrloc/ul_mod.c

@@ -463,6 +463,9 @@ static int mi_child_init(void)
 			return -1;
 		}
 	}
+
+	if(sruid_init(&_ul_sruid, '-', "ulcx", SRUID_INC)<0)
+		return -1;
 	done = 1;
 
 	return 0;