message: Fixed potential deadlock in znode code
diff: @@ -321,7 +321,7 @@ public:
  void UpdateZnodeList(CZnodeBroadcast mnb);
  /// Perform complete check and only then update list and maps
  bool CheckMnbAndUpdateZnodeList(CNode* pfrom, CZnodeBroadcast mnb, int& nDos);
  - bool IsMnbRecoveryRequested(const uint256& hash) { LOCK(cs); return mMnbRecoveryRequests.count(hash); }
  + bool IsMnbRecoveryRequested(const uint256& hash) { return mMnbRecoveryRequests.count(hash); }
  void UpdateLastPaid();
  