File gcc-4.7-fixes.diff of Package opt-qtwebkit

--- a/Source/WebCore/platform/graphics/TiledBackingStoreClient.h
+++ b/Source/WebCore/platform/graphics/TiledBackingStoreClient.h
@@ -30,4 +30,5 @@
 class TiledBackingStoreClient {
 public:
+    virtual ~TiledBackingStoreClient() { }
     virtual void tiledBackingStorePaintBegin() = 0;
     virtual void tiledBackingStorePaint(GraphicsContext*, const IntRect&) = 0;

--- a/Source/WebCore/dom/Element.cpp	(revision 93620)
+++ b/Source/WebCore/dom/Element.cpp	(working copy)
@@ -1097,7 +1097,7 @@ void Element::recalcStyle(StyleChange ch
 {
     // Ref currentStyle in case it would otherwise be deleted when setRenderStyle() is called.
     RefPtr<RenderStyle> currentStyle(renderStyle());
-    bool hasParentStyle = parentNodeForRenderingAndStyle() ? parentNodeForRenderingAndStyle()->renderStyle() : false;
+    bool hasParentStyle = parentNodeForRenderingAndStyle() ? static_cast<bool>(parentNodeForRenderingAndStyle()->renderStyle()) : false;
     bool hasDirectAdjacentRules = currentStyle && currentStyle->childrenAffectedByDirectAdjacentRules();
     bool hasIndirectAdjacentRules = currentStyle && currentStyle->childrenAffectedByForwardPositionalRules();

--- a/Source/WebCore/html/HTMLImageElement.cpp
+++ b/Source/WebCore/html/HTMLImageElement.cpp
@@ -74,5 +74,5 @@
     if (optionalWidth)
         image->setWidth(*optionalWidth);
-    if (optionalHeight > 0)
+    if (optionalHeight)
         image->setHeight(*optionalHeight);
     return image.release();

--- a/Tools/DumpRenderTree/TestNetscapePlugIn/PluginTest.cpp.me	2012-01-24 15:26:33.000000000 +0100
+++ b/Tools/DumpRenderTree/TestNetscapePlugIn/PluginTest.cpp	2012-01-24 15:27:01.000000000 +0100
@@ -28,6 +28,7 @@
 #include "PluginObject.h"
 #include <assert.h>
 #include <string.h>
+#include <unistd.h>
 
 using namespace std;
 extern NPNetscapeFuncs *browser;