Fix locks in EnforceBestChainLock()
Fix locks in EnforceBestChainLock()

UdjinM6/dash,UdjinM6/dash,dashpay/dash,thelazier/dash,thelazier/dash,dashpay/dash,thelazier/dash,thelazier/dash,UdjinM6/dash,UdjinM6/dash,thelazier/dash,dashpay/dash,UdjinM6/dash,dashpay/dash,dashpay/dash