Index: OpenSceneGraph/trunk/include/osg/NodeTrackerCallback
===================================================================
--- OpenSceneGraph/trunk/include/osg/NodeTrackerCallback (revision 7102)
+++ OpenSceneGraph/trunk/include/osg/NodeTrackerCallback (revision 10764)
@@ -14,4 +14,6 @@
 #ifndef OSG_NODETRACKERCALLBACK
 #define OSG_NODETRACKERCALLBACK 1
+
+#include <iterator>
 
 #include <osg/Node>