Removed StateSet::ENCLOSE_RENDERBIN_DETAILS since it is rendendent, and

implemented the OVERRIDE_RENDERBIN_DETAILS.

src/osgUtil/CullVisitor.cpp

@@ -95,7 +95,8 @@ CullVisitor::CullVisitor():
     _currentRenderBin(NULL),
     _computed_znear(FLT_MAX),
     _computed_zfar(-FLT_MAX),
-    _currentReuseRenderLeafIndex(0)
+    _currentReuseRenderLeafIndex(0),
+    _numberOfEncloseOverrideRenderBinDetails(0)
 {
     // _nearFarRatio = 0.000005f;     
 }
@@ -116,6 +117,8 @@ void CullVisitor::reset()
     
     CullStack::reset();
 
+    _numberOfEncloseOverrideRenderBinDetails = 0;
+
     // reset the calculated near far planes.
     _computed_znear = FLT_MAX;
     _computed_zfar = -FLT_MAX;