message: Changed ifdef WIN32 to WIN32 or _WIN32
diff: // ssize_t is a POSIX type.
  -#if defined(WIN32)
  +#if defined(WIN32) || defined(_WIN32)
  #include <BaseTsd.h>
  typedef SSIZE_T ssize_t;
  #endif
  @@ -200,7 +200,7 @@ typedef SSIZE_T ssize_t;
  # define UTILS_EMPTY_BASES
  #endif
  -#if defined(WIN32)
  +#if defined(WIN32) || defined(_WIN32)
  #define IMPORTSYMB __declspec(dllimport)
  #else
  #define IMPORTSYMB
  