message: Update mpos reward check to ignore the refunds.
diff: @@ -2082,7 +2082,7 @@ bool CheckReward(const CBlock& block, CValidationState& state, int nHeight, cons
  return error("CheckReward(): cannot create the list of MPoS output scripts");
  // Check the list of script recipients
  - for(size_t i = 0; i < (block.vtx[offset]->vout.size() - offset); i++)
  + for(size_t i = 0; i < (block.vtx[offset]->vout.size() - offset - nRefundVouts); i++)
  {
  //use offset+i because in PoS the first vout is empty
  std::vector<CScript>::iterator pos;
  