[PATCH v2] selftests/pidfd: fix typo in comment

[Ziyu Chen <chenziyu@uniontech.com>]

Fix the typo "untill" → "until" in a comment in pidfd_info_test.c.

This typo is already listed in scripts/spelling.txt by commit
66b47b4a9dad ("checkpatch: look for common misspellings").

Suggested-by: Cryolitia PukNgae <cryolitia@uniontech.com>
Signed-off-by: Ziyu Chen <chenziyu@uniontech.com>
---
v2:
- Fix unintended whitespace removal in the comment ("we're killed").
 tools/testing/selftests/pidfd/pidfd_info_test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/pidfd/pidfd_info_test.c b/tools/testing/selftests/pidfd/pidfd_info_test.c
index 6571e04acd88..8bed951e06a0 100644
--- a/tools/testing/selftests/pidfd/pidfd_info_test.c
+++ b/tools/testing/selftests/pidfd/pidfd_info_test.c
@@ -229,7 +229,7 @@ static void *pidfd_info_pause_thread(void *arg)
 
 	close(ipc_socket);
 
-	/* Sleep untill we're killed. */
+	/* Sleep until we're killed. */
 	pause();
 	return NULL;
 }
-- 
2.20.1