Maintain locking order with vNodes
Maintain locking order with vNodes

We must leave cs_xval before taking vNodes or we may deadlock.

arruah/ensocoin,arruah/ensocoin,Bitcoin-com/BUcash,Justaphf/BitcoinUnlimited,BitcoinUnlimited/BitcoinUnlimited,Bitcoin-com/BUcash,Justaphf/BitcoinUnlimited,BitcoinUnlimited/BitcoinUnlimited,Bitcoin-com/BUcash,BitcoinUnlimited/BitcoinUnlimited,Justaphf/BitcoinUnlimited,Justaphf/BitcoinUnlimited,BitcoinUnlimited/BitcoinUnlimited,arruah/ensocoin,Justaphf/BitcoinUnlimited,BitcoinUnlimited/BitcoinUnlimited,Bitcoin-com/BUcash,arruah/ensocoin,arruah/ensocoin,Bitcoin-com/BUcash,Justaphf/BitcoinUnlimited,Bitcoin-com/BUcash,arruah/ensocoin,BitcoinUnlimited/BitcoinUnlimited