diff -Naur keepassx-0.4.3/src/lib/random.cpp keepassx-0.4.3.new/src/lib/random.cpp
--- keepassx-0.4.3/src/lib/random.cpp	2009-06-28 16:22:31.000000000 +0200
+++ keepassx-0.4.3.new/src/lib/random.cpp	2012-04-19 00:20:15.757415510 +0200
@@ -19,6 +19,7 @@
  ***************************************************************************/
 
 #include "random.h"
+#include <unistd.h>
 
 
 #if defined(Q_WS_X11) || defined(Q_WS_MAC)