message: Update main.cpp
  As part of Windows compatibility
diff: #include <iostream>
  #include <sstream>
  #include <stdlib.h>
  -#include <unistd.h>
  #ifdef linux
  #include <linux/limits.h>
  #define PATH_MAX 260
  #endif
  +#ifdef _WIN32
  +#include <direct.h>
  +#define getcwd _getcwd
  +#define realpath(N,R) _fullpath((R),(N),PATH_MAX)
  +#elif
  +#include <unistd.h>
  +#endif
  +
  #include "NvInfer.h"
  #include "third_party/args/args.hpp"
  #include "torch/torch.h"
  