[PATCH i-g-t v2 1/1] tests/intel/kms_pm_backlight: Fixed build on musl

[Kamil Konieczny <kamil.konieczny@linux.intel.com>]

Fix compilation on musl by including proper POSIX header for
basename. Also while at this, sort out other headers.

v2: sorting more headers (Janusz)

Cc: Mohammed Anas <triallax@tutanota.com>
Cc: Stefano Ragni <st3r4g@protonmail.com>
Cc: Bernd Kuhls <bernd@kuhls.net>
Cc: Reagan Bohan <xbjfk.github@gmail.com>
Reported-by: Yureka <yuka@yuka.dev>
Signed-off-by: Kamil Konieczny <kamil.konieczny@linux.intel.com>
Reviewed-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
---
 tests/intel/kms_pm_backlight.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/tests/intel/kms_pm_backlight.c b/tests/intel/kms_pm_backlight.c
index 8672afa7a..140a95bcc 100644
--- a/tests/intel/kms_pm_backlight.c
+++ b/tests/intel/kms_pm_backlight.c
@@ -35,15 +35,17 @@
  * Test category: functionality test
  */
 
-#include "igt.h"
-#include <limits.h>
-#include <sys/types.h>
-#include <sys/stat.h>
+#include <errno.h>
 #include <fcntl.h>
+#include <libgen.h> /* for POSIX basename */
+#include <limits.h>
 #include <stdio.h>
-#include <errno.h>
-#include <unistd.h>
+#include <sys/stat.h>
+#include <sys/types.h>
 #include <time.h>
+#include <unistd.h>
+
+#include "igt.h"
 #include "igt_device.h"
 #include "igt_device_scan.h"
 
-- 
2.43.0