[patch] gtk_list doesn't hide when unmapped

["Shawn T. Amundson" <amundson CompleteIS com>]

This (extremely trivial) patch fixes the the gtk_list not 
hiding when unmapped.  I did not see a similar patch in the
list archives, but I did browse very quickly.  

-Shawn

*** gtklist.c.orig      Fri Jul 25 02:09:54 1997
--- gtklist.c   Fri Jul 25 02:10:00 1997
***************
*** 548,553 ****
--- 548,555 ----
  
    GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
    list = GTK_LIST (widget);
+ 
+   gdk_window_hide (widget->window);
  }
  
  static void