Fixes watcher/fsevents.c to use the new string types.
Fixes watcher/fsevents.c to use the new string types.

wez/watchman,dhruvsinghal/watchman,wez/watchman,facebook/watchman,dhruvsinghal/watchman,facebook/watchman,kwlzn/watchman,dhruvsinghal/watchman,kwlzn/watchman,dhruvsinghal/watchman,facebook/watchman,wez/watchman,facebook/watchman,facebook/watchman,dhruvsinghal/watchman,kwlzn/watchman,nodakai/watchman,nodakai/watchman,kwlzn/watchman,dhruvsinghal/watchman,nodakai/watchman,facebook/watchman,wez/watchman,wez/watchman,facebook/watchman,facebook/watchman,nodakai/watchman,kwlzn/watchman,nodakai/watchman,nodakai/watchman,nodakai/watchman,dhruvsinghal/watchman,facebook/watchman,nodakai/watchman,dhruvsinghal/watchman,kwlzn/watchman,wez/watchman,wez/watchman,wez/watchman,wez/watchman,kwlzn/watchman,nodakai/watchman