Invalid initial git gui message encoding

Hello. Working with Git for Windows on git gui I noticed an issue on reading initial message to git gui message prompt after squash or cherry-pick conflict. When system encoding is not set to UTF-8 (and on my Windows it is cp1250) squash/cherry pick conflict message gets invalid encoding. This is

Invalid initial git gui message encoding

pcm_source "merge" set fd_mm [open [gitdir MERGE_MSG] r] + fconfigure $fd_mm -encoding utf-8 puts -nonewline $fd_pcm [read $fd_mm] close $fd_mm } elseif {[file isfile [gitdir SQUASH_MSG]]} { set pcm_source "squash" set fd_sm [open [gitdir SQUASH_MSG] r] + fconfigure $f