Commit 92b4af98cd ("test: Add EventNotifier thread move test") causes
the build to fail in the Chromium OS build environment, because the
return values of the pipe() function marked with the
__warn_unused_result__ attribute is ignored. Fix this.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>