message: Fix comment with line orders - Rust should be last.
  Fix for
diff: @@ -72,8 +72,8 @@ namespace flatbuffers {
  // - Go type.
  // - C# / .Net type.
  // - Python type.
  -// - Rust type.
  // - Kotlin type.
  +// - Rust type.
  // using these macros, we can now write code dealing with types just once, e.g.
  