Roll usrcstplib -> r9048.

Roll usrcstplib -> r9048.

Picks up fix for a use-of-uninitialized on WebRTC standalone
MemorySanitizer fixed in upstream r9046.

R=tommi@chromium.org
BUG=

Committed: https://crrev.com/6710d253e3d42bcbf7c0613a06f340efe9077218
Cr-Commit-Position: refs/heads/master@{#300122}

[pbos, 2014-10-16 16:23:54]

PTAL, https://code.google.com/p/sctp-refimpl/source/detail?r=9046 is meant to
address the use-of-uninitialized-value seen here:
http://build.chromium.org/p/client.webrtc.fyi/builders/Linux%20MSan/builds/91...

[pbos, 2014-10-16 17:24:26]

pbos@chromium.org changed reviewers:
+ kjellander@chromium.org

[tommi (sloooow) - chröme, 2014-10-17 16:04:50]

The CQ bit was checked by tommi@chromium.org

[tommi (sloooow) - chröme, 2014-10-17 16:04:51]

lgtm

[commit-bot: I haz the power, 2014-10-17 16:05:08]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/656293004/1

[commit-bot: I haz the power, 2014-10-17 16:29:07]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-10-17 16:29:08]

Try jobs failed on following builders:
  ios_dbg_simulator on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_dbg_simulator...)

[tommi (sloooow) - chröme, 2014-10-17 16:36:29]

The CQ bit was checked by tommi@chromium.org

[commit-bot: I haz the power, 2014-10-17 16:37:30]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/656293004/1

[commit-bot: I haz the power, 2014-10-17 17:26:35]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-17 17:27:21]

Patchset 1 (id:??) landed as
https://crrev.com/6710d253e3d42bcbf7c0613a06f340efe9077218
Cr-Commit-Position: refs/heads/master@{#300122}