during reflow it makes sure the maxelementsize width is set to the smaller of

min size or the current size.
(see also fix nsGfxTextControlFrame.cpp)
b=40596 r=evaughan


git-svn-id: svn://10.0.0.236/trunk@75788 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/layout/xul/base/src/nsBoxFrame.cpp

@@ -748,6 +748,7 @@ nsBoxFrame::Reflow(nsIPresContext*   aPresContext,
   {
      nsSize minSize(0,0);
      GetMinSize(state,  minSize);
+#define FIX_FOR_BUG_40596
 #ifdef FIX_FOR_BUG_40596
      if (mRect.width > minSize.width)
 #else