Log Message:
irssi: update to 1.1.2

    Fix the resetting of window hiddenlevel (#861)
    Fix clearing of hidelevel in layout (#951)
    Fix accessing unallocated text when checking entry position (#928, #930)
    Fix uninitialised memory on empty lines (#873, GL#31, #878, #877, #907, #914)
    Fix use-after-free on expiration of hidden lines (#948)
    Fix use-after-frees. By Maya Rashish (#919)
    Fix out of bounds access in help display when window width is small (#949)
    Fix paste_join_multiline (#970, #971)
    Correctly check for errno when displaying SSL errors. By Janik Rabe (#895)
    Fix wrong signal emission argument count (#965)
    Documentation (#920). Sync NEWS, scripts (#849)
    Fix Perl detection on MacOS. By Dominyk Tiller (#927)
    Misc fixes. By Jaroslav Škarvada (#981, #982)