Switch from include guard to pragma once.
This pragma is so widley supported it is a defacto standard. It has the
advantage over include guards in that a unique macro identifier does not
need to be created and maintained.
Change-Id: Id12f56d9970fdfb63d45c92e428d3dbe44b2ab0e
diff --git a/inc/hf/alloc.h b/inc/hf/alloc.h
index 4570b1a..ea90821 100644
--- a/inc/hf/alloc.h
+++ b/inc/hf/alloc.h
@@ -1,5 +1,4 @@
-#ifndef _ALLOC_H
-#define _ALLOC_H
+#pragma once
#include <stddef.h>
@@ -8,5 +7,3 @@
void hfree(void *ptr);
void *halloc_aligned(size_t size, size_t align);
void *halloc_aligned_nosync(size_t size, size_t align);
-
-#endif /* _ALLOC_H */