Dear guix,

Maxim Cournoyer upgraded evolution in
acd827be09a5d15734be9a09a88e1892d54f8dc4, but used webkitgtk with
libsoup 3, which conflicts with libsoup 2 as used by
evolution-data-server.

I propose that we use the libsoup 2 variant everywhere, what do you
think?

Best regards,

Vivien