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/hash.h b/hash.h
index 804fcda..ac4c411 100644
--- a/hash.h
+++ b/hash.h
@@ -16,8 +16,9 @@
  * Boston, MA 021110-1307, USA.
  */
 
-#ifndef __HASH__
-#define __HASH__
+#ifndef __BTRFS_HASH_H__
+#define __BTRFS_HASH_H__
+
 #include "crc32c.h"
 
 static inline u64 btrfs_name_hash(const char *name, int len)