Added files back in with the execution bit correctly disabled.

src/osgWrappers/serializers/osg/OcclusionQueryNode.cpp

@@ -0,0 +1,15 @@
+#include <osg/OcclusionQueryNode>
+#include <osgDB/ObjectWrapper>
+#include <osgDB/InputStream>
+#include <osgDB/OutputStream>
+
+REGISTER_OBJECT_WRAPPER( OcclusionQueryNode,
+                         new osg::OcclusionQueryNode,
+                         osg::OcclusionQueryNode,
+                         "osg::Object osg::Node osg::Group osg::OcclusionQueryNode" )
+{
+    ADD_BOOL_SERIALIZER( QueriesEnabled, true );  // _enabled
+    ADD_UINT_SERIALIZER( VisibilityThreshold, 0 );  // _visThreshold
+    ADD_INT_SERIALIZER( QueryFrameCount, 0 );  // _queryFrameCount
+    ADD_BOOL_SERIALIZER( DebugDisplay, false );  // _debugBB
+}