syscall: add ERROR_MORE_DATA to Windows for os/fsnotify
syscall: add ERROR_MORE_DATA to Windows for os/fsnotify

LGTM=alex.brainman
R=golang-codereviews, alex.brainman
CC=dave, golang-codereviews
https://codereview.appspot.com/58900044

Committer: Alex Brainman <54ba58c8441b5eff861de6b4e5ee46baf086b142@gmail.com>

wesolows/golang,wesolows/golang,wesolows/golang,wesolows/golang-old,firebitsbr/golang-old,firebitsbr/golang-old,wesolows/golang-old,wesolows/golang-old,firebitsbr/golang-old,firebitsbr/golang-old,wesolows/golang-old,wesolows/golang-old,firebitsbr/golang-old,wesolows/golang-old,wesolows/golang,firebitsbr/golang-old,wesolows/golang,wesolows/golang,wesolows/golang-old,firebitsbr/golang-old,firebitsbr/golang-old,wesolows/golang