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.
diff --git a/coreutils/cat.c b/coreutils/cat.c
index 37237ec..f3baf0a 100644
--- a/coreutils/cat.c
+++ b/coreutils/cat.c
@@ -18,7 +18,7 @@
 	FILE *f;
 	int retval = EXIT_SUCCESS;
 
-	bb_getopt_ulflags(argc, argv, "u");
+	getopt32(argc, argv, "u");
 
 	argv += optind;
 	if (!*argv) {