build: update to latest btcd with connmgr bug fix

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/NebulousLabs/go-upnp v0.0.0-20180202185039-29b680b06c82
 	github.com/Yawning/aez v0.0.0-20180114000226-4dad034d9db2
 	github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da // indirect
-	github.com/btcsuite/btcd v0.0.0-20190213025234-306aecffea32
+	github.com/btcsuite/btcd v0.0.0-20190410025418-9bfb2ca0346b
 	github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f
 	github.com/btcsuite/btcutil v0.0.0-20190316010144-3ac1210f4b38
 	github.com/btcsuite/btcwallet v0.0.0-20190327034548-8b90263a6190