Log Message:
Update chat/hexchat to version 2.12.3

2.12.3 (2016-10-22)

  * fix crash with bad translations
  * fix crash and leaks in mpcinfo plugin
  * add mhop command
  * change ping timeout to 60 by default
  * update translations

2.12.2 (2016-10-08)

  * fix input box theme with Adwaita 3.20
  * fix return value of hexchat_pluginpref_get_int()
  * fix tab color changing when print events are eaten
  * fix network name not being sanitized for scrollback files
  * fix building sysinfo on OS X <= 10.9
  * fix resume with DCC GET
  * fix possible assertion when decoding incoming text
  * fix possible crashes when plugins modify the UI during context close
  * add "chanmodes" to channel list in plugin api
  * lua:
      o add automatic return and = handling in console
      o fix pluginpref usage
  * fishlim:
      o fix saving nicks containing [ or ]
      o add commands: /topic+, /msg+, and /notice+
      o add support for /me
      o add /keyx command to do DH1080 key exchanges
  * improve efficiency of various timers
  * reduce updates of user count in titlebar/userlist
  * download extra redist for perl on Windows
  * update appdata file
  * update translations
  * update dependencies on Windows

This is a leaf package, and in preparation of a security fix.

"please commit" gdt@