Synchronet now requires the libarchive development package (e.g. libarchive-dev on Debian-based Linux distros, libarchive.org for more info) to build successfully.

Fix apparent memory leak in js_listening_socket_constructor()

The socket set allocated by xpms_create() was never freed. Found by Coverity.
14 jobs for dailybuild_linux-x64 in 9 minutes and 29 seconds (queued for 12 seconds)
Status Job ID Name Coverage
  Build
passed #11525
FreeBSD
jsdoor-freebsd

00:05:20

passed #11526
Linux
jsdoor-linux

00:07:13

passed #11528
FreeBSD
jsdoor-windows

00:03:43

passed #11520
FreeBSD
sbbs-freebsd

00:06:27

passed #11515
Linux
sbbs-linux

00:08:34

passed #11518
Windows
sbbs-windows

00:05:35

passed #11527
FreeBSD
sexpots-freebsd

00:00:16

passed #11516
Linux
sexpots-linux

00:00:11

passed #11519
Windows
sexpots-windows

00:00:29

passed #11523
FreeBSD
syncdraw-freebsd

00:00:24

passed #11524
Linux
syncdraw-linux

00:00:35

passed #11521
FreeBSD
syncterm-freebsd

00:01:13

passed #11517
Linux
syncterm-linux

00:02:02

passed #11522
FreeBSD
syncterm-windows

00:02:24