message: Change fast corner flags in HAL version from char array to single int
diff: @@ -159,15 +159,12 @@ void FAST_t(InputArray _img, std::vector<KeyPoint>& keypoints, int threshold, bo
  }
  max0 = K16 < v_max(max0, max1);
  - int m = -v_reduce_sum(v_reinterpret_as_s8(max0));
  - uchar mflag[16];
  - v_store(mflag, max0);
  + unsigned int m = v_signmask(v_reinterpret_as_s8(max0));
  - for( k = 0; m > 0 && k < 16; k++ )
  + for( k = 0; m > 0 && k < 16; k++, m >>= 1 )
  {
  - if(mflag[k])
  + if( m & 1 )
  {
  - --m;
  cornerpos[ncorners++] = j+k;
  if(nonmax_suppression)
  {
  