Josh Bleecher Snyder a0dacba877 wgengine/magicsock: simplify legacy endpoint DstToString
Legacy endpoints (addrSet) currently reconstruct their dst string when requested.

Instead, store the dst string we were given to begin with.
In addition to being simpler and cheaper, this makes less code
aware of how to interpret endpoint strings.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
2021-05-06 12:44:22 -07:00
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