message: Log the actual wallet file version
  The actual wallet file version is the minversion record, not the
  version record.
diff: @@ -509,7 +509,8 @@ DBErrors WalletBatch::LoadWallet(CWallet* pwallet)
  int last_client = CLIENT_VERSION;
  ReadVersion(last_client);
  - pwallet->WalletLogPrintf("nFileVersion = %d\n", last_client);
  + int wallet_version = pwallet->GetVersion();
  + pwallet->WalletLogPrintf("Wallet File Version = %d\n", wallet_version > 0 ? wallet_version : last_client);
  pwallet->WalletLogPrintf("Keys: %u plaintext, %u encrypted, %u w/ metadata, %u total. Unknown wallet records: %u\n",
  wss.nKeys, wss.nCKeys, wss.nKeyMeta, wss.nKeys + wss.nCKeys, wss.m_unknown_records);
  