Scrub IPs from net.OpError rather than omit the whole error.
Scrub IPs from net.OpError rather than omit the whole error.

05f244a5bfa137da662a8296a34f13e58aa23137 removed logging of a couple of
errors that could contain client IP addresses. It turns out that these
errors were of type *net.OpError, the address field of which you can
overwrite from the outside.

projectarkc/meek,projectarkc/meek,Yawning/meek,infinity0/meek,gorshell/forkmeek,wyuelin/mymeek,infinity0/meek,projectarkc/meek,gorshell/forkmeek,gorshell/forkmeek,infinity0/meek,infinity0/meek,wyuelin/mymeek,Yawning/meek,projectarkc/meek,Yawning/meek,gorshell/forkmeek,projectarkc/meek,Yawning/meek,wyuelin/mymeek,wyuelin/mymeek,infinity0/meek