SELPDCImporter: Fixed issue with phasor updates and source indexes.
SELPDCImporter: Fixed issue with phasor updates and source indexes.

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