Fix improper deletion with only one segment
Fix improper deletion with only one segment

Resolves #678

ROMaster2/LiveSplit,kugelrund/LiveSplit,ROMaster2/LiveSplit,LiveSplit/LiveSplit,Glurmo/LiveSplit,ROMaster2/LiveSplit,kugelrund/LiveSplit,Glurmo/LiveSplit,Glurmo/LiveSplit,kugelrund/LiveSplit