Restore clamp macro change that I didn't intend to commit.

67f3d0ec · David Partyka · 68f2919a · 67f3d0ec
Commit 67f3d0ec authored Jan 25, 2011 by David Partyka
--- a/Filtering/vtkImageMultipleInputFilter.h
+++ b/Filtering/vtkImageMultipleInputFilter.h
@@ -60,7 +60,7 @@ public:

  // Description:
  // Get/Set the number of threads to create when rendering
-  vtkSetMacro( NumberOfThreads, int );
+  vtkSetClampMacro( NumberOfThreads, int, 1, VTK_MAX_THREADS );
  vtkGetMacro( NumberOfThreads, int );

  // Description: