[Bf-committers] blender.desktop needs updating.

[Richard Shaw]

I've already taken care of it for my build but per the freedesktop
specification[1] if the absolute path is not given to the icon file in
the "Icon=..." key then it should not contain a file extension.

Thanks,
Richard

[1] http://standards.freedesktop.org/desktop-entry-spec/desktop-entry-spec-latest.html