Fix NetEq4 unit tests for VS2012

This merges the changes from r3199.

Review URL: https://webrtc-codereview.appspot.com/1078010

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@3443 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed