message: Change header guard of read_obj, updated copyright year
diff: *
  * File: include/eos/core/read_obj.hpp
  *
  - * Copyright 2017 Patrik Huber
  + * Copyright 2017, 2018 Patrik Huber
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  */
  #pragma once
  -#ifndef READ_OBJ_HPP_
  -#define READ_OBJ_HPP_
  +#ifndef EOS_READ_OBJ_HPP
  +#define EOS_READ_OBJ_HPP
  #include "eos/core/Mesh.hpp"
  #include "eos/cpp17/optional.hpp"
  @@ -262,4 +262,4 @@ inline Mesh read_obj(std::string filename)
  } /* namespace core */
  } /* namespace eos */
  -#endif /* READ_OBJ_HPP_ */
  +#endif /* EOS_READ_OBJ_HPP */
  