getopt_ulflags -> getopt32.

It is impossible to formulate sane ABI based on
size of ulong because it can be 32-bit or 64-bit.
Basically it means that you cannot portably use
more that 32 option chars in one call anyway...
Make it explicit.

util-linux/fdformat.c

@@ -63,7 +63,7 @@ int fdformat_main(int argc,char **argv)
 	if (argc < 2) {
 		bb_show_usage();
 	}
-	verify = !bb_getopt_ulflags(argc, argv, "n");
+	verify = !getopt32(argc, argv, "n");
 	argv += optind;
 
 	xstat(*argv, &st);