--- qtbase/src/plugins/printsupport/windows/qwindowsprintdevice.cpp	Thu May 15 19:12:17 2014
+++ qtbase/src/plugins/printsupport/windows/qwindowsprintdevice.cpp	Mon Oct 13 17:26:40 2014
@@ -275,7 +275,7 @@
         const qreal rightMargin = physicalWidth - leftMargin - printableWidth;
         const qreal bottomMargin = physicalHeight - topMargin - printableHeight;
         margins = QMarginsF(leftMargin, topMargin, rightMargin, bottomMargin);
-        ReleaseDC(NULL, pDC);
+        DeleteDC(pDC);
     }
     return margins;
 }