filled titlePix with transparent color before painting pattern, to fix decoration appearance

svn path=/trunk/KDE/kdebase/workspace/; revision=1017015

clients/kde2/kde2.cpp

@@ -308,6 +308,8 @@ void KDE2Handler::createPixmaps()
 		QPainter maskPainter;
 		int i, x, y;
 		titlePix = new QPixmap(132, normalTitleHeight+2);
+    titlePix->fill( Qt::transparent );
+    
 		QBitmap mask(132, normalTitleHeight+2);
 		mask.fill(Qt::color0);