Add head guard.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@2287 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/bertos/algo/rand.h b/bertos/algo/rand.h
index 18f2bb5fc2ebcfe6575ed1b144eff97904eaf78a..b724c3db142714ef8a361b4fba897068b592fedd 100644 (file)
--- a/bertos/algo/rand.h
+++ b/bertos/algo/rand.h
@@ -37,5 +37,9 @@
  * \author Bernie Innocenti <bernie@codewiz.org>
  */
 
+#ifndef RAND_H
+#define RAND_H
+
 int rand(void);
 
+#endif