Userland: Allow our access check to pass flags to faccessat syscall

Author: https://github.com/fdellwing
Commit: 059904371f
Pull-request: https://github.com/SerenityOS/serenity/pull/18545
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/BenWiederhake
Reviewed-by: https://github.com/LucasChollet
Reviewed-by: https://github.com/kennethmyhra
Reviewed-by: https://github.com/trflynn89

Userland/Libraries/LibCore/System.h

@@ -228,7 +228,7 @@ ErrorOr<void> putenv(StringView);
 ErrorOr<int> posix_openpt(int flags);
 ErrorOr<void> grantpt(int fildes);
 ErrorOr<void> unlockpt(int fildes);
-ErrorOr<void> access(StringView pathname, int mode);
+ErrorOr<void> access(StringView pathname, int mode, int flags = 0);
 ErrorOr<DeprecatedString> readlink(StringView pathname);
 ErrorOr<int> poll(Span<struct pollfd>, int timeout);