Hello Guix!

> HELP! The app crashes upon launch.

Fixed it in the attached patch-set. The app works now. \o/

Anyway, I think we can do something for the following, w.r.t 
linphone-desktop:
[1] Warnings. Fixing them might prevent them to become errors.
[2] Better solution than symlinks in 'post-install phase. Because 
linphone-desktop should be able to read files in /lib and /share of 
*all* of its dependencies. Not just for those we made symlinks for, 
which is a temporary fix.

Regarding [1], for one of the warnings, I tried creating symlink 
"{linphone-desktop}/lib" --> "{liblinphone}/lib", which worked. But is 
it the correct way?
Regarding [2], I tried wrapping the program with XDG_DATA_DIRS, but 
didn't work.

Regards,
RG.