selftests/landlock: Fix build of audit_test

We are hitting build error on CentOS 9:

audit_test.c:232:40: error: ‘O_CLOEXEC’ undeclared (...)

Fix this by including fcntl.h.

Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20250605214416.1885878-1-song@kernel.org
Fixes: 6b4566400a29 ("selftests/landlock: Add PID tests for audit records")
Signed-off-by: Mickaël Salaün <mic@digikod.net>

diff --git a/tools/testing/selftests/landlock/audit_test.c b/tools/testing/selftests/landlock/audit_test.c
index cfc571afd0eb811490dce94fee46e5c7ed6b6003..46d02d49835aaefe09edd869aab76cd3fdd98eb1 100644 (file)
--- a/tools/testing/selftests/landlock/audit_test.c
+++ b/tools/testing/selftests/landlock/audit_test.c
@@ -7,6 +7,7 @@
 
 #define _GNU_SOURCE
 #include <errno.h>
+#include <fcntl.h>
 #include <limits.h>
 #include <linux/landlock.h>
 #include <pthread.h>