--- lsh/lshreader.cpp.orig	2014-07-01 20:35:08.000000000 +0200
+++ lsh/lshreader.cpp	2014-07-01 20:36:15.000000000 +0200
@@ -1,5 +1,6 @@
 #include "lshreader.h"
 #include <cmath>
+#include <cstdlib>
 #include <algorithm>
 
 LSHReader::LSHReader(const LSH& master)