btrfs-progs: unify header file inclusion protections

There are missing ifdefs or defines with very generic names.

Signed-off-by: David Sterba <dsterba@suse.cz>

1 files changed, 3 insertions, 2 deletions

diff --git a/ioctl.h b/ioctl.h
index 2c2c7c1b..d550ca6f 100644
--- a/ioctl.h
+++ b/ioctl.h
@@ -16,8 +16,9 @@
  * Boston, MA 021110-1307, USA.
  */
 
-#ifndef __IOCTL_
-#define __IOCTL_
+#ifndef __BTRFS_IOCTL_H__
+#define __BTRFS_IOCTL_H__
+
 #include <asm/types.h>
 #include <linux/ioctl.h>
 #include <time.h>