qwindows_platform_dd_fix.diff

--- qtbase/src/plugins/platforms/windows/qwindowswindow.cpp	2016-03-16 15:54:01.315453700  0100
    qtbase/src/plugins/platforms/windows/qwindowswindow.cpp.orig	2016-03-16 16:27:26.780503000  0100
@@ -1052,9  1052,9 @@
         RegisterDragDrop(m_data.hwnd, m_dropTarget);
         CoLockObjectExternal(m_dropTarget, true, true);
     } else {
         m_dropTarget->Release();
         CoLockObjectExternal(m_dropTarget, false, true);
         RevokeDragDrop(m_data.hwnd);
-        m_dropTarget->Release();
         m_dropTarget = 0;
     }
 #endif // !QT_NO_CLIPBOARD && !QT_NO_DRAGANDDROP