GSF.Historian: Forcing flush on archivefile before close.
GSF.Historian: Forcing flush on archivefile before close.

git-tfs-id: [https://tfs.codeplex.com/tfs/TFS07]$/gsf/Main;C83389

rmc00/gsf,GridProtectionAlliance/gsf,GridProtectionAlliance/gsf,rmc00/gsf,GridProtectionAlliance/gsf,GridProtectionAlliance/gsf,GridProtectionAlliance/gsf,GridProtectionAlliance/gsf,rmc00/gsf,GridProtectionAlliance/gsf,GridProtectionAlliance/gsf,rmc00/gsf,rmc00/gsf,rmc00/gsf,rmc00/gsf