Fix typo in r4765.

Fixes compile error on all platforms.

BUG=
TEST=compile on tryboys
R=stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/2231004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4766 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed