Index: OpenSceneGraph/trunk/src/osgPresentation/PickEventHandler.cpp
===================================================================
--- OpenSceneGraph/trunk/src/osgPresentation/PickEventHandler.cpp (revision 10396)
+++ OpenSceneGraph/trunk/src/osgPresentation/PickEventHandler.cpp (revision 10764)
@@ -17,4 +17,6 @@
 #include <osg/Notify>
 #include <osgDB/FileUtils>
+
+#include <stdlib.h>
 
 using namespace osgPresentation;
