Close persistent file before attempting to rename.
Close persistent file before attempting to rename.

Windows requires the file be closed in order to rename it.

wpilibsuite/ntcore,robotdotnet/ntcore,wpilibsuite/ntcore,wpilibsuite/ntcore,333fred/ntcore,robotdotnet/ntcore,333fred/ntcore,333fred/ntcore,wpilibsuite/ntcore,robotdotnet/ntcore,333fred/ntcore,robotdotnet/ntcore