Fix msys2.yml, so that msys2-build will work#177

lemniscati wants to merge 6 commits intofukuchi:cygwin-supportfukuchi/libqrencode:cygwin-supportfrom

cygwin-lem:cygwin-support_msys2cygwin-lem/libqrencode:cygwin-support_msys2Copy head branch name to clipboard