*: s/xatoi_u/xatoi_positive/g - I got bored of mistyping xatoi_u as xatou_i

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

networking/brctl.c

@@ -271,7 +271,7 @@ int brctl_main(int argc UNUSED_PARAM, char **argv)
 				}
 			}
 			arg1 = port;
-			arg2 = xatoi_u(*argv);
+			arg2 = xatoi_positive(*argv);
 			if (key == ARG_setbridgeprio) {
 				arg1 = arg2;
 				arg2 = 0;