make clipboard patch obsolete

x.c

@@ -507,6 +507,7 @@ xsetsel(char *str, Time t)
 	XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
 	if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
 		selclear_(NULL);
+	xclipcopy();
 }
 
 void