Add changelog entry regarding fixed MKCOL
Add changelog entry regarding fixed MKCOL

mathstuf/vdirsyncer,credativUK/vdirsyncer,hobarrera/vdirsyncer,mathstuf/vdirsyncer,tribut/vdirsyncer,untitaker/vdirsyncer,tribut/vdirsyncer,credativUK/vdirsyncer,untitaker/vdirsyncer,hobarrera/vdirsyncer,untitaker/vdirsyncer