Bug#957037: biboumi: ftbfs with GCC-10

[Michel Le Bihan]

@Michel: If you are interested in joining the VoIP team generally,
> then 
> please join the mailinglist and request membership to the Salsa group
> - 
> links are at https://wiki.debian.org/Teams/VoIP

Sorry, but I'm not really interested in VoIP software nor have much
experience with it. I'm interested in XMPP. Actually, I don't really
understand why this package is managed by the VoIP team and not by the
XMPP team.

Michel Le Bihan