message: comment unused function
  On MacOS and iOS, the unused opencvBigToHost32 is a warning for buildbot
diff: @@ -1102,6 +1102,7 @@ static const int opencvOne = 1;
  # endif
  # endif
  +/*
  static inline uint32_t opencvBigToHost32(const uchar* p){
  #if OPENCV_BYTEORDER==4321
  uint32_t x;
  @@ -1127,6 +1128,7 @@ static inline uint32_t opencvBigToHost32(uint32_t x){
  return opencvBigToHost32((uchar*)&x);
  #endif
  }
  +*/
  static inline uint32_t opencvLittleToHost32(const uchar* p){
  #if OPENCV_BYTEORDER==1234
  