message: Fixup bad logprintf
diff: @@ -4806,7 +4806,7 @@ bool CWallet::MintsToInputVector(std::map<CBigNum, CZerocoinMint>& mapMintsSelec
  }
  if (nLockAttempts == 100) {
  - LogPrintf("%s : could not get lock on cs_spendcache\n");
  + LogPrintf("%s : could not get lock on cs_spendcache\n", __func__);
  receipt.SetStatus(_("could not get lock on cs_spendcache"), ZPIV_TXMINT_GENERAL);
  return false;
  }
  