* fix updating address in RI

Daemon.cpp

@@ -90,9 +90,9 @@ namespace i2p
 			}	
 
 			std::string host; i2p::config::GetOption("host", host);
-			if (host != "") 
+			if (host != "0.0.0.0")
 			{
-				LogPrint(eLogInfo, "Daemon: address for incoming connections is ", host);
+				LogPrint(eLogInfo, "Daemon: setting address for incoming connections to ", host);
 				i2p::context.UpdateAddress (boost::asio::ip::address::from_string (host));	
 			}
 

RouterContext.cpp

@@ -48,6 +48,8 @@ namespace i2p
 		if (!port)
 			port = rand () % (30777 - 9111) + 9111; // I2P network ports range
 		std::string host; i2p::config::GetOption("host", host);
+		if (host == "0.0.0.0")
+			host = "127.0.0.1"; // replace default address with safe value
 		routerInfo.AddSSUAddress  (host.c_str(), port, routerInfo.GetIdentHash ());
 		routerInfo.AddNTCPAddress (host.c_str(), port);
 		routerInfo.SetCaps (i2p::data::RouterInfo::eReachable |