Dialogs have no separators. Makes them look at least a bit closer to HIG
    
    Fri Jun 06 16:39:17 2003  George Lebl <jirka@5z.com>
    
    	* daemon/errorgui.c, gui/gdmXnestchooser.c, gui/gdmchooser.c,
    	  gui/gdmcomm.c, gui/gdmflexiserver.c, gui/gdmlogin.c,
    	  gui/gdmphotosetup.c, gui/gdmsetup.c, gui/greeter/greeter.c,
    	  gui/greeter/greeter_action_language.c, gui/greeter/greeter_item_pam.c,
    	  gui/modules/dwellmouselistener.c, gui/modules/keymouselistener.c:
    	  Dialogs have no separators.  Makes them look at least a bit closer
    	  to HIG