[Minor] Add missing math.h include

diff --git a/src/libutil/util.c b/src/libutil/util.c
index d1332d50478c244a9a7c748db7f32f7fe8e7e68e..f785f05754ccff7ec551e2b1f53d1bc26d0f010e 100644 (file)
--- a/src/libutil/util.c
+++ b/src/libutil/util.c
@@ -70,6 +70,7 @@
 #ifdef HAVE_SYS_RESOURCE_H
 #include <sys/resource.h>
 #endif
+#include <math.h> /* for pow */
 
 #include "cryptobox.h"