message: Upgrade pnet_macros_support to Rust 2018
diff: @@ -9,6 +9,7 @@ repository = "https://github.com/libpnet/libpnet"
  description = "Support library for libpnet_macros"
  readme = "../README.md"
  keywords = ["networking", "bitfields", "packet", "protocol"]
  +edition = "2018"
  [dependencies]
  pnet_base = { path = "../pnet_base", version = "0.28.0" }
  