Also mask the closing frame.
Merge branch 'mask_close' into incoming
[auto] Merge from Websocket

    • #67264f5 — Also mask the closing frame. (Ivan Enderlin, 2014-07-08)
    • #b48080f — Merge branch 'mask_close' into incoming (Ivan Enderlin, 2014-07-08)

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Merge branch 'master' of /var/lib/git/repositories/Library/Websocket