The js/wasm RoundTrip fallback called t.roundTrip(req), an upstream
Go private method that was never backported to TinyGo's Transport stub.
Replace the call with an explicit error return, since the empty
Transport has no dial capability and cannot perform a fallback
round-trip.
Fixes#52
Signed-off-by: deadprogram <ron@hybridgroup.com>
deadprogram
1026408a38