Fix compilation on windows after libjingle updated.

For some reason MSVC doesn't use implicit char[]->std::string 
conversion when comparing char[] and std::string in EXPECT_EQ.

R=henrike@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/2104004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4611 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed