Don't overwrite builtin
Don't overwrite builtin

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