ssh/knownhosts: knownhost to support io.reader

[tg123]

add NewFromReader(r io.Reader) (ssh.HostKeyCallback, error) to knownhosts

fixed #62656

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[gopherbot]

Message from Gopher Robot:

Patch Set 1:

(1 comment)

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[gopherbot]

Message from Boshi Lian:

Patch Set 1:

(1 comment)

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After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Gopher Robot:

Patch Set 1:

(1 comment)

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[gopherbot]

Message from Boshi Lian:

Patch Set 1:

(1 comment)

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Please don’t reply on this GitHub thread. Visit golang.org/cl/528636.
After addressing review feedback, remember to publish your drafts!