[pkg-fgfs-crew] Name/contents of FlightGear's desktop file

[Rebecca N. Palmer]

> Since there were divergences on the Icon field, I took the
> basename of the file in FGData, i.e.:
>
>   $FG_ROOT/Docs/img/FlightGear_logo.{svg,png} -> FlightGear_logo

That's not where it will look - the icons that get installed to 
/usr/share/icons/* are the ones from flightgear/icons, which are named 
flightgear.{png.svg}