message: Fix bindgen features
diff: @@ -11,7 +11,7 @@ neqo-common = { path = "../neqo-common" }
  log = {version = "0.4.0", default-features = false}
  [build-dependencies]
  -bindgen = {version = "0.53.2", default-features = false}
  +bindgen = {version = "0.53.2", features= ["runtime"]}
  serde = "1.0"
  serde_derive = "1.0"
  toml = "0.4"
  