Use #pragma once for headers

It's shorter and more reliable.  Also GCC/CLang specific, but that's
fine because that's all we support anyways.

Closes: #69

Closes: #70
Approved by: mrunalp

1 files changed, 1 insertions, 4 deletions

diff --git a/utils.h b/utils.h
index 539dbd7..9a504ec 100644
--- a/utils.h
+++ b/utils.h
@@ -16,8 +16,7 @@
  *
  */
 
-#ifndef __UTILS_H__
-#define __UTILS_H__
+#pragma once
 
 #include <assert.h>
 #include <dirent.h>
@@ -163,5 +162,3 @@ steal_pointer (void *pp)
 /* type safety */
 #define steal_pointer(pp) \
   (0 ? (*(pp)) : (steal_pointer) (pp))
-
-#endif /* __UTILS_H__ */