[Gtkradiant] [Bug 131] New: improve base prompt path for map load/save

[gtkradiant@zerowing.idsoftware.com]

http://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=131

           Summary: improve base prompt path for map load/save
           Product: GtkRadiant
           Version: 1.1-TA.1-nightly
          Platform:
               URL:
        OS/Version: Linux
            Status: NEW
 Status Whiteboard:
          Keywords:
        Resolution:
          Severity: normal
          Priority: P2
         Component: editor
        AssignedTo: ttimo@idsoftware.com
        ReportedBy: ttimo@idsoftware.com


// TODO TTimo on linux the base prompt is ~/.q3a/<fs_game>
//   given the file dialog, we could push the strFSBasePath and ~/.q3a into the
directory shortcuts
const char* vfsBasePromptPath()