Index: head/math/vtk6/files/patch-Rendering_OpenGL_vtkXOpenGLRenderWindow.cxx
===================================================================
--- head/math/vtk6/files/patch-Rendering_OpenGL_vtkXOpenGLRenderWindow.cxx	(nonexistent)
+++ head/math/vtk6/files/patch-Rendering_OpenGL_vtkXOpenGLRenderWindow.cxx	(revision 472860)
@@ -0,0 +1,40 @@
+--- Rendering/OpenGL/vtkXOpenGLRenderWindow.cxx.orig	2015-03-03 20:37:14 UTC
++++ Rendering/OpenGL/vtkXOpenGLRenderWindow.cxx
+@@ -386,7 +386,7 @@ XVisualInfo *vtkXOpenGLRenderWindow::Get
+ 
+ vtkXOpenGLRenderWindow::vtkXOpenGLRenderWindow()
+ {
+-  this->ParentId = static_cast<Window>(NULL);
++  this->ParentId = static_cast<Window>(0);
+   this->ScreenSize[0] = 0;
+   this->ScreenSize[1] = 0;
+   this->OwnDisplay = 0;
+@@ -394,8 +394,8 @@ vtkXOpenGLRenderWindow::vtkXOpenGLRender
+   this->ForceMakeCurrent = 0;
+   this->UsingHardware = 0;
+   this->DisplayId = static_cast<Display *>(NULL);
+-  this->WindowId = static_cast<Window>(NULL);
+-  this->NextWindowId = static_cast<Window>(NULL);
++  this->WindowId = static_cast<Window>(0);
++  this->NextWindowId = static_cast<Window>(0);
+   this->ColorMap = static_cast<Colormap>(0);
+   this->OwnWindow = 0;
+ 
+@@ -776,7 +776,7 @@ void vtkXOpenGLRenderWindow::DestroyWind
+   if (this->OwnWindow && this->DisplayId && this->WindowId)
+     {
+     XDestroyWindow(this->DisplayId,this->WindowId);
+-    this->WindowId = static_cast<Window>(NULL);
++    this->WindowId = static_cast<Window>(0);
+     }
+ 
+   // if we create the display, we'll delete it
+@@ -1168,7 +1168,7 @@ void vtkXOpenGLRenderWindow::WindowRemap
+ 
+   // set the default windowid
+   this->WindowId = this->NextWindowId;
+-  this->NextWindowId = static_cast<Window>(NULL);
++  this->NextWindowId = static_cast<Window>(0);
+ 
+   // set everything up again
+   this->Initialize();

Property changes on: head/math/vtk6/files/patch-Rendering_OpenGL_vtkXOpenGLRenderWindow.cxx
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