* Added a define guard for StdSharedPtr.
* Added a define guard for StdSharedPtr.

cybergarage/uhttp,cybergarage/uhttp4cc,cybergarage/uhttp,cybergarage/uhttp4cc,cybergarage/uhttp4cc,cybergarage/uhttp4cc,cybergarage/uhttp,cybergarage/uhttp4cc,cybergarage/uhttp,cybergarage/uhttp