message: thin: make pblock type ConstCBlockRef (fix after rebasing)
diff: @@ -250,7 +250,7 @@ void CheckNodeSupportForThinBlocks();
  bool ClearLargestThinBlockAndDisconnect(CNode *pfrom);
  void ClearThinBlockInFlight(CNode *pfrom, const uint256 &hash);
  void AddThinBlockInFlight(CNode *pfrom, const uint256 &hash);
  -void SendXThinBlock(CBlockRef pblock, CNode *pfrom, const CInv &inv);
  +void SendXThinBlock(ConstCBlockRef pblock, CNode *pfrom, const CInv &inv);
  bool IsThinBlockValid(CNode *pfrom, const std::vector<CTransaction> &vMissingTx, const CBlockHeader &header);
  void BuildSeededBloomFilter(CBloomFilter &memPoolFilter,
  std::vector<uint256> &vOrphanHashes,
  