Run: src/bitcoind -wallet=nosuchfile
Without this patch, debug.log contains:
2021-03-23T21:19:16Z init message: Verifying wallet(s)...
2021-03-23T21:19:16Z Warning: Skipping -wallet path that doesn't exist. Failed to load database path '/home/larry/.bitcoin/wallets/nosuchfile'. Path does not exist.
2021-03-23T21:19:16Z init message: Loading banlist...
With this patch, the empty line isn't present. This PR fixes a similar problem with src/bitcoind -conf=nosuchfile