message: Initialize variables in CNode for mempoolsync vars
diff: @@ -371,11 +371,11 @@ public:
  * accept a particular transaction. */
  size_t nLimitDescendantSize = BCH_DEFAULT_DESCENDANT_SIZE_LIMIT * 1000;
  // Does this node support mempool synchronization?
  - bool canSyncMempoolWithPeers;
  + bool canSyncMempoolWithPeers = false;
  // Minimum supported mempool synchronization version
  - uint64_t nMempoolSyncMinVersionSupported;
  + uint64_t nMempoolSyncMinVersionSupported = 0;
  // Maximum supported mempool synchronization version
  - uint64_t nMempoolSyncMaxVersionSupported;
  + uint64_t nMempoolSyncMaxVersionSupported = 0;
  // This is shared-locked whenever messages are processed.
  // Take it exclusive-locked to finish all ongoing processing
  