Update XChat to r1516

src/fe-gtk/chanview-tree.c

@@ -100,10 +100,10 @@ cv_tree_init (chanview *cv)
 	/*gtk_widget_modify_base (view, GTK_STATE_NORMAL, &colors[COL_BG]);*/
 	GTK_WIDGET_UNSET_FLAGS (view, GTK_CAN_FOCUS);
 	gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (view), FALSE);
-#if GTK_CHECK_VERSION(2,10,0)
+
 	if (!(prefs.gui_tweaks & 8))
 		gtk_tree_view_set_enable_tree_lines (GTK_TREE_VIEW (view), TRUE);
-#endif
+
 	gtk_container_add (GTK_CONTAINER (win), view);
 
 	/* icon column */