Bug 495298 - DirectDraw render mode for windows mobile. Build bustage fix on systems that do not have ddraw support.

widget/src/windows/nsWindow.cpp

@@ -5963,9 +5963,11 @@ InitDDraw()
 
 PRBool nsWindow::OnPaint(HDC aDC)
 {
+#ifdef CAIRO_HAS_DDRAW_SURFACE
   if (gRenderMode == RENDER_IMAGE_DDRAW16) {
     return OnPaintImageDDraw16();
   }
+#endif
 
   PRBool result = PR_TRUE;
   PAINTSTRUCT ps;
@@ -6366,6 +6368,7 @@ DDRAW_FAILED:
   return result;
 }
 
+#ifdef CAIRO_HAS_DDRAW_SURFACE
 // Windows Mobile Special image/direct draw painting fun
 PRBool nsWindow::OnPaintImageDDraw16()
 {
@@ -6594,6 +6597,7 @@ cleanup:
   mPainting = PR_FALSE;
   return result;
 }
+#endif
 
 //-------------------------------------------------------------------------
 //

widget/src/windows/nsWindow.h

@@ -339,7 +339,9 @@ protected:
   virtual void            OnDestroy();
   virtual PRBool          OnMove(PRInt32 aX, PRInt32 aY);
   virtual PRBool          OnPaint(HDC aDC = nsnull);
+#ifdef CAIRO_HAS_DDRAW_SURFACE
   PRBool                  OnPaintImageDDraw16();
+#endif
 
   virtual PRBool          OnResize(nsIntRect &aWindowRect);