align clangcl using declspec instead of gcc style vector BUG=451 TESTED=clang=1 build on windows R=harryjin@google.com
align clangcl using declspec instead of gcc style vector
BUG=451
TESTED=clang=1 build on windows
R=harryjin@google.com

Review URL: https://webrtc-codereview.appspot.com/57549004

git-svn-id: a51711482b6ba0e1d1ab095578a045eeae45ac9a@1425 16f28f9a-4ce2-e073-06de-1de4eb20be90

rig-project/libyuv,rig-project/libyuv,rig-project/libyuv