GSF.Core: Fixed mistake in conditional introduced during translation of DataUpdater.cs.
GSF.Core: Fixed mistake in conditional introduced during translation of DataUpdater.cs.

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