rm: allow "-f" to be specified multiple times
This matches the behavior of GNU rm.
Fixes
@@ -92,6 +92,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
Arg::with_name(OPT_FORCE)
.short("f")
.long(OPT_FORCE)
+ .multiple(true)
.help("ignore nonexistent files and arguments, never prompt")
)
.arg(
