[Gtkradiant] [Bug 943] New: Entity list window doesn't track being closed with X button

[gtkradiant@zerowing.idsoftware.com]

http://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=943

           Summary: Entity list window doesn't track being closed with X
                    button
           Product: GtkRadiant
           Version: 1.5
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: editor
        AssignedTo: ttimo@idsoftware.com
        ReportedBy: wjoseph@europe.ea.com


Solution: update entity list window "shown" state when the "delete" signal is 
emitted on the entity list window widget.