Merge topic 'CocoaViewLeak' into release

9bf77c82 Fixed memory leak in vtkCocoaGLView

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: David Gobbi <david.gobbi@gmail.com>
Merge-request: !5454

Rendering/OpenGL2/vtkCocoaGLView.mm

@@ -63,6 +63,15 @@
   return self;
 }
 
+//----------------------------------------------------------------------------
+#if !VTK_OBJC_IS_ARC
+- (void)dealloc
+{
+  [super dealloc];
+  [_rolloverTrackingArea release];
+}
+#endif
+
 //----------------------------------------------------------------------------
 - (vtkCocoaRenderWindow *)getVTKRenderWindow
 {