Why CCStdC.h not use WinSock2.h

when I tried to use libcurl for winphone 8. I’ve seen CCStdC.h not use “WinSock2.h”, it was comment and struct “timeval” have been declared in this.
So, why cocos2d-x not include “WinSock2.h” to use struct “timeval” for windows phone 8?
sorry for my bad English!

I have modified it in my github. But not in cocos2d-x master branch, haven’t merge it yet.
see:
[[https://github.com/koowolf/cocos2d-x/tree/curl]]

I also see libcurl for wp8 in cocos2d-x master branch, but cocos2d-x have been just removed it. your github, can be cocos2d extension use httpclient, socket…?