VoiceEngine now uses pointer constructor of CriticalSectionScoped, instead of reference.

BUG=184
TEST=Compiles on all platforms.

Review URL: https://webrtc-codereview.appspot.com/436001

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1853 4adac7df-926f-26a2-2b94-8c16560cd09d
13 files changed