ssh/tailssh: fix typo in error message

"look up" is the verb. "lookup" is a noun.

Change-Id: I81c99e12c236488690758fb5c121e7e4e1622a36
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2022-12-20 11:26:50 -08:00 committed by Brad Fitzpatrick
parent 2eff9c8277
commit f837d179b9