[PATCH v3 21/68] selftests/futex: Drop define _GNU_SOURCE

[Edward Liaw <edliaw@xxxxxxxxxx>]

_GNU_SOURCE is provided by lib.mk, so it should be dropped to prevent
redefinition warnings.

Fixes: 809216233555 ("selftests/harness: remove use of LINE_MAX")
Reviewed-by: John Hubbard <jhubbard@xxxxxxxxxx>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
Signed-off-by: Edward Liaw <edliaw@xxxxxxxxxx>
---
 tools/testing/selftests/futex/functional/futex_requeue_pi.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/tools/testing/selftests/futex/functional/futex_requeue_pi.c b/tools/testing/selftests/futex/functional/futex_requeue_pi.c
index 7f3ca5c78df1..8e41f9fe784c 100644
--- a/tools/testing/selftests/futex/functional/futex_requeue_pi.c
+++ b/tools/testing/selftests/futex/functional/futex_requeue_pi.c
@@ -16,9 +16,6 @@
  *      2009-Nov-6: futex test adaptation by Darren Hart <dvhart@xxxxxxxxxxxxxxx>
  *
  *****************************************************************************/
-
-#define _GNU_SOURCE
-
 #include <errno.h>
 #include <limits.h>
 #include <pthread.h>
-- 
2.45.0.118.g7fe29c98d7-goog