Fsync the directory when rotating the metadata
Fsync the directory when rotating the metadata

This is needed so we never end up having a stable file with the
rotated bit set. Should fix bug #600057.

gicmo/gvfs,xkahn/gvfs-cmis,halfline/gvfs,xkahn/gvfs-cmis,xkahn/gvfs-cmis,philipl/gvfs,philipl/gvfs,cpatulea/gvfs,xkahn/gvfs-cmis,philipl/gvfs,gicmo/gvfs,halfline/gvfs,gicmo/gvfs,cpatulea/gvfs,gicmo/gvfs,halfline/gvfs