we dropped the pve maintained version of this in spiceterm, the only
real user - which used a small patch to allow enabling SASL with this
libary - as it bring much more headache then it brings use we dropped
that support for PVE 6.0 and thus can use the Debian upstream version
here just fine.
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>