fixed warnings and uninitialized variable

git-svn-id: http://libtorrent.svn.sourceforge.net/svnroot/libtorrent/trunk@2615 a83610d8-ad2a-0410-a6ab-fc0612d85776

src/torrent.cpp

@@ -1471,7 +1471,7 @@ namespace libtorrent
 				// ban it.
 				if (m_ses.m_alerts.should_post<peer_ban_alert>())
 				{
-					peer_id pid;
+					peer_id pid(0);
 					if (p->connection) pid = p->connection->pid();
 					m_ses.m_alerts.post_alert(peer_ban_alert(
 						get_handle(), p->ip(), pid));
@@ -2261,6 +2261,7 @@ namespace libtorrent
 		if (!s) return;
 
 		bool ret = instantiate_connection(m_ses.m_io_service, m_ses.web_seed_proxy(), *s);
+		(void)ret;
 		TORRENT_ASSERT(ret);
 
 		if (m_ses.web_seed_proxy().type == proxy_settings::http
@@ -2775,6 +2776,7 @@ namespace libtorrent
 		boost::shared_ptr<socket_type> s(new socket_type(m_ses.m_io_service));
 
 		bool ret = instantiate_connection(m_ses.m_io_service, m_ses.peer_proxy(), *s);
+		(void)ret;
 		TORRENT_ASSERT(ret);
 		std::pair<int, int> const& out_ports = m_ses.settings().outgoing_ports;
 		error_code ec;