Log Message:
irssi: Update to 1.2.1

Changes:
	- Fix a test on big endian machines (#1014)
	- Fix the compile time conditionality of wcwidth
          implementation (#1019, gentoo#677804, #720)
	- Fix /save no longer working on old Solaris (pre
          POSIX.1-2008) (#1042, #1043)
	- Fix regression of #764 where display of 8-bit (legacy
          encoding) in the input prompt was broken (#1018,
          #1057). Initial patch by Артём Курашов
	- Fix regression of #779 where autolog_ignore_targets would
          not matching itemless windows anymore (#1012, #1013)
	- Fix a use after free issue when sending the SASL login on
          (automatic and manual) reconnects (#1055, #1058). Reported
          by ilbelkyr