selftests/nolibc: simplify call to ioperm

Since commit 53fcfafa8c ("tools/nolibc/unistd: add syscall()") nolibc
has support for syscall(2).
Use it to get rid of some ifdef-ery.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Willy Tarreau <w@1wt.eu>
This commit is contained in:
Thomas Weißschuh 2023-07-03 10:11:08 +02:00 • committed by Willy Tarreau
commit 67eb617a8e