[WinCairo] Build fixes after r138413
https://bugs.webkit.org/show_bug.cgi?id=106087

Patch by peavo@outlook.com <peavo@outlook.com> on 2013-01-07
Reviewed by Alexey Proskuryakov.

* WebCore.vcproj/WebCore.vcproj: Added NetworkStorageSessionStub.cpp,
and removed NetworkStorageSessionCFNet.cpp for WinCairo build.
* platform/win/TemporaryLinkStubs.cpp: Include fix.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@138947 268f45cc-cd09-0410-ab3c-d52691b4dbfc