bug#35785: guix won't download if locale is set to swedish

[Einar Largenius]

> Could you paste the complete output of ‘guix pull -v2’ when running
> under that locale?

Yes sorry. I have not setup email yet on that system so I need to
manually transcribe any output. This should be the complete output:

    Updating channel 'guix' from Git repository at 
'https://git.savannah.gnu.org/git/guix.git'...
    Building from this channel:
      guix   https://git.savannah.gnu.org/git/guix.git  f5557bd
    guix pull: error: lstat: Filen eller katalogen finns inte: 
"ftp://sourceware.org/pub/libffi-3.2.1.tar.gz";