Log Message:
chat/gajim: Update to 1.1.2.

Gajim 1.1.2 (15 January 2019)

  Bug fixes

  * #9525 Windows/Mac: Links are not clickable in the About dialog
  * #9535 Jingle Audio: Update codecs
  * #9537 DiscoveryWindow: Fix bookmarking a group chat
  * DBus: Correctly raise NewMessage signal
  * Clicking on tray notifications does not open the chat