Fixing stack buffer overflow (read) in SctpDataEngine.
Fixing stack buffer overflow (read) in SctpDataEngine.

Was using the wrong size when memcpy'ing a sockaddr_conn.

BUG=chromium:642638
TBR=pthatcher@webrtc.org

Review URL: https://codereview.webrtc.org/2318653003 .

Cr-Original-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#14111}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: a4d40cb502558c27c82303bb98aedc2dd8d6a888

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