ERR: binId was being calculated wrong in HashPoints; the error was only...

ERR:  binId was being calculated wrong in HashPoints; the error was only evident when the NumberOfDivision in X and Y were not equal.

Graphics/vtkQuadricClustering.cxx

@@ -24,7 +24,7 @@
 #include "vtkTimerLog.h"
 #include "vtkTriangle.h"
 
-vtkCxxRevisionMacro(vtkQuadricClustering, "1.66");
+vtkCxxRevisionMacro(vtkQuadricClustering, "1.67");
 vtkStandardNewMacro(vtkQuadricClustering);
 
 //----------------------------------------------------------------------------
@@ -771,7 +771,7 @@ vtkIdType vtkQuadricClustering::HashPoint(double point[3])
     }
   
   // vary x fastest, then y, then z
-  binId = xBinCoord + yBinCoord*this->NumberOfDivisions[1] + 
+  binId = xBinCoord + yBinCoord*this->NumberOfDivisions[0] + 
     zBinCoord*this->SliceSize;
 
   return binId;