Actually update spent index on DisconnectBlock (#3167)
Actually update spent index on DisconnectBlock (#3167)

Fixes #3166
ionomy/ion,UdjinM6/dash,ionomy/ion,nmarley/dash,thelazier/dash,nmarley/dash,dashpay/dash,nmarley/dash,UdjinM6/dash,nmarley/dash,UdjinM6/dash,thelazier/dash,ionomy/ion,dashpay/dash,thelazier/dash,nmarley/dash,ionomy/ion,nmarley/dash,dashpay/dash,dashpay/dash,dashpay/dash,thelazier/dash,ionomy/ion,nmarley/dash,ionomy/ion,UdjinM6/dash,UdjinM6/dash,thelazier/dash