message: Fix deprecated header. Hopefully.
diff: #include <NovelRT.Interop/NrtErrorHandling.h>
  #include <NovelRT.Interop/Utilities/NrtMisc.h>
  #include <NovelRT/NovelRT.h>
  -
  -#include <string.h>
  +#include <cstring>
  #ifdef __cplusplus
  extern "C"
  