Merge pull request #3329 from efuss/fix-3311

[collectd.git] / src / daemon / utils_random.h

diff --git a/src/daemon/utils_random.h b/src/daemon/utils_random.h
index 75bdc12..ff0022e 100644 (file)
--- a/src/daemon/utils_random.h
+++ b/src/daemon/utils_random.h
@@ -24,6 +24,9 @@
  *   Florian Forster <octo at collectd.org>
  **/
 
+#ifndef UTILS_RANDOM_H
+#define UTILS_RANDOM_H 1
+
 /**
  * Returns a random double value in the range [0..1), i.e. excluding 1.
  *
@@ -46,3 +49,5 @@ uint32_t cdrand_u(void);
  * outside the intended range. This function is thread- and reentrant-safe.
  */
 long cdrand_range(long min, long max);
+
+#endif /* !UTILS_RANDOM_H */