try to reseed if no compatible routers in netdb

libi2pd/NetDb.cpp

@@ -57,6 +57,8 @@ namespace data
 		uint16_t threshold; i2p::config::GetOption("reseed.threshold", threshold);
 		if (m_RouterInfos.size () < threshold) // reseed if # of router less than threshold
 			Reseed ();
+		else if (!GetRandomRouter (i2p::context.GetSharedRouterInfo ()))
+			Reseed (); // we don't have a router we can connect to. Trying to reseed
 		
 		i2p::config::GetOption("persist.profiles", m_PersistProfiles);