[PATCH] selftests/filesystems: Fix build warning on anon_inode_test

[Ranganath V N <vnranganath.20@gmail.com>]

>clang warning null passed where non-null argument is expected.
>
>anon_inode_test.c:45:19: warning: argument 3 null where non-null expected [-Wnonnull]
>   45 |         ASSERT_LT(execveat(fd_context, "", NULL, NULL, AT_EMPTY_PATH), 0);
>      |                   ^~~~~~~~
>
>Signed-off-by: Ranganath V N <vnranganath.20@gmail.com>
>---
> tools/testing/selftests/filesystems/anon_inode_test.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
>diff --git a/tools/testing/selftests/filesystems/anon_inode_test.c b/tools/testing/selftests/filesystems/anon_inode_test.c
>index 73e0a4d4fb2f..f796dad679db 100644
>--- a/tools/testing/selftests/filesystems/anon_inode_test.c
>+++ b/tools/testing/selftests/filesystems/anon_inode_test.c
>@@ -38,11 +38,13 @@ TEST(anon_inode_no_chmod)
> TEST(anon_inode_no_exec)
> {
> 	int fd_context;
>+	static char *argv[] = { NULL };
>+	static char *envp[] = { NULL };
> 
> 	fd_context = sys_fsopen("tmpfs", 0);
> 	ASSERT_GE(fd_context, 0);
> 
>-	ASSERT_LT(execveat(fd_context, "", NULL, NULL, AT_EMPTY_PATH), 0);
>+	ASSERT_LT(execveat(fd_context, "", argv, envp, AT_EMPTY_PATH), 0);
> 	ASSERT_EQ(errno, EACCES);
> 
> 	EXPECT_EQ(close(fd_context), 0);

Hi,
Please let me know the feedback for this patch.

Thanks,
Ranganath