Merge branch 'sg/worktree-remove-errormsg'

Error message update/clarification. * sg/worktree-remove-errormsg: worktree remove: clarify error message on dirty worktree

Junio C Hamano committed Aug 22, 2019 at 12:34 UTC d4b12b9e07eba2e4ec1eff38a4151c9302bd1e2c

No changes.