Call ReleaseReference when a BReference is not needed

Reduces complexity and is actualñly more readable.

src/servers/app/drawing/BitmapDrawingEngine.cpp

@@ -56,7 +56,7 @@ BitmapDrawingEngine::SetSize(int32 newWidth, int32 newHeight)
 		fHWInterface = NULL;
 	}
 
-	fBitmap.Unset();
+	fBitmap->ReleaseReference();
 
 	if (newWidth <= 0 || newHeight <= 0)
 		return B_OK;

src/servers/app/drawing/BitmapDrawingEngine.h

@@ -25,7 +25,7 @@ virtual							~BitmapDrawingEngine();
 private:
 			color_space			fColorSpace;
 			BitmapHWInterface*	fHWInterface;
-			BReference<UtilityBitmap> fBitmap;
+			UtilityBitmap*		fBitmap;
 			BRegion				fClipping;
 };
 

src/servers/app/stackandtile/SATGroup.cpp

@@ -791,7 +791,7 @@ Tab::CompareFunction(const Tab* tab1, const Tab* tab2)
 
 SATGroup::SATGroup()
 	:
-	fLinearSpec(new(std::nothrow) LinearSpec(), true),
+	fLinearSpec(new(std::nothrow) LinearSpec()),
 	fHorizontalTabsSorted(false),
 	fVerticalTabsSorted(false),
 	fActiveWindow(NULL)
@@ -806,6 +806,8 @@ SATGroup::~SATGroup()
 		debugger("Deleting a SATGroup which is not empty");
 	//while (fSATWindowList.CountItems() > 0)
 	//	RemoveWindow(fSATWindowList.ItemAt(0));
+	
+	fLinearSpec->ReleaseReference();
 }
 
 

src/servers/app/stackandtile/SATGroup.h

@@ -244,7 +244,7 @@ public:
 								SATGroup();
 								~SATGroup();
 
-			LinearSpec*			GetLinearSpec() { return fLinearSpec.Get(); }
+			LinearSpec*			GetLinearSpec() { return fLinearSpec; }
 
 			/*! Create a new WindowArea from the crossing and add the window. */
 			bool				AddWindow(SATWindow* window, Tab* left,
@@ -321,7 +321,7 @@ protected:
 			WindowAreaList		fWindowAreaList;
 			SATWindowList		fSATWindowList;
 
-			BReference<LinearSpec> fLinearSpec;
+			LinearSpec*			fLinearSpec;
 
 private:
 			TabList				fHorizontalTabs;