Fix example to correspond to new API. (#555)
Fix example to correspond to new API. (#555)

Signed-off-by: John Plevyak <21e8c5cc24c747cac934fcbef39d1b757b61996c@gmail.com>
envoyproxy/envoy-wasm,envoyproxy/envoy-wasm,envoyproxy/envoy-wasm,envoyproxy/envoy-wasm,envoyproxy/envoy-wasm,envoyproxy/envoy-wasm,envoyproxy/envoy-wasm