Bug#882765: x2goserver fails to install on Sid

[Vincas Dargis]

Package: x2goserver
Severity: important

Dear Maintainer,

Installation fails on Debian Sid with this error:

```
sudo apt install x2goserver
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 x2goserver : Depends: x2goserver-x2goagent (< 4.0.1.20-13.1~) but it is not going to be installed
              Depends: x2goserver-x2goagent (>= 4.0.1.20-13) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

```

aptitude show some more info:

```
The following NEW packages will be installed:
  libcapture-tiny-perl{a} libconfig-simple-perl{a} libdbd-pg-perl{a} libdbd-sqlite3-perl{a} libdbi-perl{a} libfile-which-perl{a} libfs6{a} libnx-x11-6{ab} libxcompshad3{a} net-tools{a}
  nx-x11-common{a} nxagent{ab} pwgen{a} x11-xfs-utils{a} x2goserver x2goserver-extensions{a} x2goserver-x2goagent{a} x2goserver-xsession{a}
The following packages will be REMOVED:
  liblivemedia58{u}
0 packages upgraded, 18 newly installed, 1 to remove and 0 not upgraded.
Need to get 4286 kB of archives. After unpacking 11.2 MB will be used.
The following packages have unmet dependencies:
 nxagent : Depends: libxcomp3 (= 2:3.5.99.10-1) but 3.5.0.32-1+b2 is installed
 libnx-x11-6 : Depends: libxcomp3 (= 2:3.5.99.10-1) but 3.5.0.32-1+b2 is installed
The following actions will resolve these dependencies:

     Keep the following packages at their current version:
1)     libnx-x11-6 [Not Installed]
2)     libxcompshad3 [Not Installed]
3)     nxagent [Not Installed]
4)     x2goserver [Not Installed]
5)     x2goserver-extensions [Not Installed]
6)     x2goserver-x2goagent [Not Installed]
```

This is fairly new VM with XFCE desktop. I have installed Debian Stretch
and upgraded into Sid.


-- System Information:
Debian Release: buster/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 4.14.0-trunk-amd64 (SMP w/8 CPU cores)
Locale: LANG=lt_LT.utf8, LC_CTYPE=lt_LT.utf8 (charmap=UTF-8), LANGUAGE=lt_LT.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)