This change adds an explicit invocation of std::move to workaround a problem
in VC++'s /analyze compiler that was causing build errors in Chrome:

https://code.google.com/p/googlemock/issues/detail?id=172


git-svn-id: http://googlemock.googlecode.com/svn/trunk@511 8415998a-534a-0410-bf83-d39667b30386