Fix spelling mistake in rtp_rtcp.h.

Fix spelling mistake in rtp_rtcp.h.

BUG=None
R=danilchap@webrtc.org
NOTRY=True

Committed: https://crrev.com/406616fc6c25f894b636f80f414a6faac7055820
Cr-Commit-Position: refs/heads/master@{#15435}

[brandtr, 2016-12-06 09:33:57]

Found a similar spelling mistake on another line :)

[danilchap, 2016-12-06 09:35:09]

lgtm

[brandtr, 2016-12-06 09:36:34]

The CQ bit was checked by brandtr@webrtc.org

[commit-bot: I haz the power, 2016-12-06 09:36:44]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[commit-bot: I haz the power, 2016-12-06 09:40:19]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1481016994055200, "parent_rev":
"f26bb62983fc3fdc48fa4b9c6d13c776f733f8a2", "commit_rev":
"cf44f3aad966a004770b6a5c3eda7c368dbfd693"}

[commit-bot: I haz the power, 2016-12-06 09:40:22]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-06 09:40:33]

Description was changed from

==========
Fix spelling mistake in rtp_rtcp.h.

BUG=None
R=danilchap@webrtc.org
NOTRY=True
==========

to

==========
Fix spelling mistake in rtp_rtcp.h.

BUG=None
R=danilchap@webrtc.org
NOTRY=True

Committed: https://crrev.com/406616fc6c25f894b636f80f414a6faac7055820
Cr-Commit-Position: refs/heads/master@{#15435}
==========

[commit-bot: I haz the power, 2016-12-06 09:40:33]

Patchset 1 (id:??) landed as
https://crrev.com/406616fc6c25f894b636f80f414a6faac7055820
Cr-Commit-Position: refs/heads/master@{#15435}