[curl/curl] 706b21: single_transfer: ignore blank --output-dir

Daniel Stenberg <[email protected]> Thu, 10 Jun 2021 07:20:22 -0700

Newsgroups	gmane.comp.web.curl.cvs
Message-ID	<curl/curl/push/refs/heads/bagder/empty-output-dir/[email protected]>

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