start other acceptors if connected through a proxy

libi2pd/NTCP2.cpp

@@ -1158,13 +1158,13 @@ namespace transport
 				}
 			}
 			else
-			{
 				LogPrint(eLogInfo, "NTCP2: Proxy is not used");
+			// start acceptors
 			auto& addresses = context.GetRouterInfo ().GetAddresses ();
 			for (const auto& address: addresses)
 			{
 				if (!address) continue;
-					if (address->IsPublishedNTCP2 ())
+				if (address->IsPublishedNTCP2 () && address->port)
 				{
 					if (address->host.is_v4())
 					{
@@ -1209,7 +1209,6 @@ namespace transport
 					}
 				}
 			}
-			}
 			ScheduleTermination ();
 		}
 	}