cleanup, fix warnings

include/libtorrent/utp_stream.hpp

@@ -250,7 +250,6 @@ public:
 	{
 		if (!endpoint.address().is_v4())
 		{
-			error_code ec = asio::error::operation_not_supported;
 			m_io_service.post(boost::bind<void>(handler, asio::error::operation_not_supported, 0));
 			return;
 		}

src/lazy_bdecode.cpp

@@ -183,10 +183,7 @@ namespace libtorrent
 				default:
 				{
 					if (!is_digit(t))
-					{
-						int a = 0;
 						TORRENT_FAIL_BDECODE(errors::expected_value);
-					}
 
 					boost::int64_t len = t - '0';
 					start = parse_int(start, end, ':', len);

src/natpmp.cpp

@@ -672,9 +672,9 @@ void natpmp::close_impl(mutex::scoped_lock& l)
 	log("closing", l);
 #ifdef NATPMP_LOG
 	std::cout << time_now_string() << " close" << std::endl;
+	ptime now = time_now();
 #endif
 	if (m_disabled) return;
-	ptime now = time_now();
 	for (std::vector<mapping_t>::iterator i = m_mappings.begin()
 		, end(m_mappings.end()); i != end; ++i)
 	{

src/torrent.cpp

@@ -4530,9 +4530,9 @@ namespace libtorrent
 		boost::shared_ptr<socket_type> s(new (std::nothrow) socket_type(m_ses.m_io_service));
 		if (!s) return;
 	
-		bool ssl = string_begins_no_case("https://", web->url.c_str());
 		void* userdata = 0;
 #ifdef TORRENT_USE_OPENSSL
+		bool ssl = string_begins_no_case("https://", web->url.c_str());
 		if (ssl)
 		{
 			userdata = m_ssl_ctx.get();
@@ -5731,7 +5731,7 @@ namespace libtorrent
 			return false;
 		}
 		TORRENT_ASSERT(m_connections.find(p) == m_connections.end());
-		peer_iterator ci = m_connections.insert(p).first;
+		m_connections.insert(p).first;
 #ifdef TORRENT_DEBUG
 		error_code ec;
 		TORRENT_ASSERT(p->remote() == p->get_socket()->remote_endpoint(ec) || ec);
@@ -7127,8 +7127,6 @@ namespace libtorrent
 		TORRENT_ASSERT(m_ses.is_network_thread());
 		INVARIANT_CHECK;
 
-		ptime now = time_now();
-
 #ifndef TORRENT_DISABLE_EXTENSIONS
 		for (extension_list_t::iterator i = m_extensions.begin()
 			, end(m_extensions.end()); i != end; ++i)
@@ -7548,7 +7546,6 @@ namespace libtorrent
 
 		std::vector<cached_piece_info> ret;
 		m_ses.m_disk_thread.get_cache_info(info_hash(), ret);
-		ptime now = time_now();
 
 		// remove write cache entries
 		ret.erase(std::remove_if(ret.begin(), ret.end()