diff -up qt-x11-opensource-src-4.5.2/src/3rdparty/webkit/WebCore/html/HTMLElement.cpp qt-x11-opensource-src-4.5.2/src/3rdparty/webkit/WebCore/html/HTMLElement.cpp
index 4caf336..b21a3fe 100644
--- qt-x11-opensource-src-4.5.2/src/3rdparty/webkit/WebCore/html/HTMLElement.cpp
+++ qt-x11-opensource-src-4.5.2/src/3rdparty/webkit/WebCore/html/HTMLElement.cpp
@@ -44,6 +44,7 @@
 #include "XMLTokenizer.h"
 #include "markup.h"
 #include <wtf/StdLibExtras.h>
+#include <stdio.h>
 
 namespace WebCore {
 
diff -up qt-x11-opensource-src-4.5.2/src/3rdparty/webkit/WebCore/page/DragController.cpp qt-x11-opensource-src-4.5.2/src/3rdparty/webkit/WebCore/page/DragController.cpp
index 10a11f2..c756da8 100644
--- qt-x11-opensource-src-4.5.2/src/3rdparty/webkit/WebCore/page/DragController.cpp
+++ qt-x11-opensource-src-4.5.2/src/3rdparty/webkit/WebCore/page/DragController.cpp
@@ -157,7 +157,7 @@ void DragController::dragExited(DragData* dragData)
     Frame* mainFrame = m_page->mainFrame();
     
     if (RefPtr<FrameView> v = mainFrame->view()) {
-        ClipboardAccessPolicy policy = m_document->securityOrigin()->isLocal() ? ClipboardReadable : ClipboardTypesReadable;
+        ClipboardAccessPolicy policy = (!m_document || m_document->securityOrigin()->isLocal()) ? ClipboardReadable : ClipboardTypesReadable;
         RefPtr<Clipboard> clipboard = dragData->createClipboard(policy);
         clipboard->setSourceOperation(dragData->draggingSourceOperationMask());
         mainFrame->eventHandler()->cancelDragAndDrop(createMouseEvent(dragData), clipboard.get());
-- 
1.6.2.5