bluematt's testnet-seed now supports x9 (and is just a static list)

src/chainparams.cpp

@@ -232,7 +232,7 @@ public:
         vSeeds.emplace_back("testnet-seed.bitcoin.jonasschnelli.ch", true);
         vSeeds.emplace_back("seed.tbtc.petertodd.org", true);
         vSeeds.emplace_back("seed.testnet.bitcoin.sprovoost.nl", true);
-        vSeeds.emplace_back("testnet-seed.bluematt.me", false);
+        vSeeds.emplace_back("testnet-seed.bluematt.me", true); // Just a static list of stable node(s), only supports x9
 
         base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
         base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);