Fix desktop transparency fade out in kompmgr

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1249956 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

kwin/kompmgr/kompmgr.c

@@ -1473,11 +1473,13 @@ paint_all (Display *dpy, XserverRegion region)
 			   For example, if you want to blur the background or show another
 			   background pixmap entirely here is the place to do it; simply
 			   draw the new background onto rootBuffer before continuing! */
+			if (w->isInFade == False) {
 				if (w->show_root_tile == True) {
 					XRenderComposite (dpy, PictOpSrc, rootTile, None, rootBuffer,
 							x, y, x, y, 
 							x, y, wid, hei);
 				}
+			}
 			XRenderComposite (dpy, PictOpOver, w->picture, w->alphaPict, rootBuffer,
 					0, 0, 0, 0, 
 					x, y, wid, hei);