Moved reset to 0 of _createReuseMatrixIndex from CullVistor.cpp to CullStack.cpp so that

CullStack::reset works correctly for all subclasses - fixing a memory consumption issue with occluders

src/osg/CullStack.cpp

@@ -59,6 +59,8 @@ void CullStack::reset()
                    (lookVector.z()>=0?4:0);
 
     _bbCornerNear = (~_bbCornerFar)&7;
+    
+     _currentReuseMatrixIndex=0;
 }
 
 

src/osgUtil/CullVisitor.cpp

@@ -142,7 +142,6 @@ void CullVisitor::reset()
     }
     
     // reset the resuse lists.
-    _currentReuseMatrixIndex = 0;
     _currentReuseRenderLeafIndex = 0;
 
     _nearPlaneCandidateMap.clear();