diff -up ./src/lib/random.cpp.gcc43 ./src/lib/random.cpp
--- ./src/lib/random.cpp.gcc43	2008-03-05 08:15:12.000000000 +0100
+++ ./src/lib/random.cpp	2008-03-05 08:15:31.000000000 +0100
@@ -22,6 +22,7 @@
 #include <QDateTime>
 #include <QObject>
 #include "random.h"
+#include <cstdlib>
 using namespace std;
 
 void getRandomBytes(void* buffer,int NumBlocks,int BlockSize,bool Strong){