Merge topic 'vtkProperty-add-missing-include' into release

621e3acf vtkProperty: add missing include

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: David E. DeMarle <dave.demarle@kitware.com>
Merge-request: !5593

Rendering/Core/vtkProperty.h

@@ -34,6 +34,7 @@
 #include "vtkRenderingCoreModule.h" // For export macro
 #include "vtkObject.h"
 #include <map> // used for ivar
+#include <string> // used for ivar
 
 // shading models
 #define VTK_FLAT    0