staging: ion: reorder include

Put include in alphabetic order
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Acked-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/android/ion/ion.c

@@ -5,28 +5,28 @@
  * Copyright (C) 2011 Google, Inc.
  */
 
+#include <linux/anon_inodes.h>
+#include <linux/debugfs.h>
 #include <linux/device.h>
+#include <linux/dma-buf.h>
 #include <linux/err.h>
+#include <linux/export.h>
 #include <linux/file.h>
 #include <linux/freezer.h>
 #include <linux/fs.h>
-#include <linux/anon_inodes.h>
+#include <linux/idr.h>
 #include <linux/kthread.h>
 #include <linux/list.h>
 #include <linux/memblock.h>
 #include <linux/miscdevice.h>
-#include <linux/export.h>
 #include <linux/mm.h>
 #include <linux/mm_types.h>
 #include <linux/rbtree.h>
-#include <linux/slab.h>
+#include <linux/sched/task.h>
 #include <linux/seq_file.h>
+#include <linux/slab.h>
 #include <linux/uaccess.h>
 #include <linux/vmalloc.h>
-#include <linux/debugfs.h>
-#include <linux/dma-buf.h>
-#include <linux/idr.h>
-#include <linux/sched/task.h>
 
 #include "ion.h"