message: Optimize UpdateAnonTransaction(): updateDepth logging
diff: @@ -3157,6 +3157,7 @@ bool CWallet::UpdateAnonTransaction(CTxDB *ptxdb, const CTransaction& tx, const
  }
  + uint32_t nUpdatedDepth = 0;
  for (uint32_t i = 0; i < tx.vout.size(); ++i)
  {
  const CTxOut& txout = tx.vout[i];
  @@ -3182,10 +3183,13 @@ bool CWallet::UpdateAnonTransaction(CTxDB *ptxdb, const CTransaction& tx, const
  return false;
  };
  - LogPrintf("UpdateAnonTransaction(): updateDepth: %d, value: %d\n", nNewHeight, ao.nValue);
  mapAnonOutputStats[ao.nValue].updateDepth(nNewHeight, ao.nValue);
  + nUpdatedDepth++;
  };
  + if (nUpdatedDepth)
  + LogPrintf("UpdateAnonTransaction(): updateDepth: %d, num of anon outputs: %d\n", nNewHeight, nUpdatedDepth);
  +
  return true;
  };
  