add typedefs for shared_ptr and make_shared, to make transition to 1.2 easier

include/libtorrent/aux_/session_impl.hpp

@@ -884,7 +884,7 @@ namespace libtorrent
 #endif
 
 #ifdef TORRENT_USE_OPENSSL
-			ssl::context* ssl_ctx() { return &m_ssl_ctx; }
+			ssl::context* ssl_ctx() TORRENT_OVERRIDE { return &m_ssl_ctx; }
 			void on_incoming_utp_ssl(boost::shared_ptr<socket_type> const& s);
 			void ssl_handshake(error_code const& ec, boost::shared_ptr<socket_type> s);
 #endif

include/libtorrent/torrent_handle.hpp

@@ -41,6 +41,7 @@ POSSIBILITY OF SUCH DAMAGE.
 #include <set>
 
 #include <boost/shared_ptr.hpp>
+#include <boost/make_shared.hpp>
 #include <boost/function.hpp>
 #include <boost/weak_ptr.hpp>
 #include <boost/cstdint.hpp>
@@ -82,6 +83,9 @@ namespace libtorrent
 	void throw_invalid_handle() TORRENT_NO_RETURN;
 #endif
 
+	using boost::shared_ptr;
+	using boost::make_shared;
+
 	// holds the state of a block in a piece. Who we requested
 	// it from and how far along we are at downloading it.
 	struct TORRENT_EXPORT block_info
@@ -896,7 +900,7 @@ namespace libtorrent
 		// without metadata only if it was started without a .torrent file, e.g.
 		// by using the libtorrent extension of just supplying a tracker and
 		// info-hash.
-		boost::shared_ptr<const torrent_info> torrent_file() const;
+		shared_ptr<const torrent_info> torrent_file() const;
 
 #ifndef TORRENT_NO_DEPRECATE