Hello.

This is my first patch. I hope everything is correct, but I know there
might be some mistakes. Pleaste let me know.

 guix lint - I ran it and I think I have no errors now.
 guix size - Around 1.4 gb. I am not sure what to do
 guix refresh --list-dependent - Nothing is dependent

Building in my platform (x86_64) works 

Building with qemu -
    armhf   - not working
    aarch64 - working
    i68     - working
    x86_64  - working