Unused parameters in fsmonitor related code paths have been marked
as such.
* jk/fsmonitor-unused-parameter:
run-command: mark unused parameters in start_bg_wait callbacks
fsmonitor: mark unused hashmap callback parameters
fsmonitor/darwin: mark unused parameters in system callback
fsmonitor: mark unused parameters in stub functions
fsmonitor/win32: mark unused parameter in fsm_os__incompatible()
fsmonitor: mark some maybe-unused parameters
fsmonitor/win32: drop unused parameters
fsmonitor: prefer repo_git_path() to git_pathdup()