message: Don't load old stake modifier from disk after changeover height
diff: @@ -256,8 +256,9 @@ bool CBlockTreeDB::LoadBlockIndexGuts()
  pindexNew->nMint = diskindex.nMint;
  pindexNew->nMoneySupply = diskindex.nMoneySupply;
  pindexNew->nFlags = diskindex.nFlags;
  + if (!Params().IsStakeModifierV2(pindexNew->nHeight)) {
  pindexNew->nStakeModifier = diskindex.nStakeModifier;
  - if (Params().IsStakeModifierV2(pindexNew->nHeight)) {
  + } else {
  pindexNew->nStakeModifierV2 = diskindex.nStakeModifierV2;
  }
  pindexNew->prevoutStake = diskindex.prevoutStake;
  