message: fix typos that caused bilinear filtering in corners to be wrong
diff: @@ -124,9 +124,9 @@ void Cubemap::makeSeamless() {
  size_t L = D - 1;
  Image& image = getImageForFace(face);
  *getTexel(image, -1, -1) = (*getTexel(image, 0, 0) + *getTexel(image, -1, 0) + *getTexel(image, 0, -1)) / 3;
  - *getTexel(image, L+1, -1) = (*getTexel(image, L, 0) + *getTexel(image, L+1, 0) + *getTexel(image, 0, -1)) / 3;
  - *getTexel(image, -1, L+1) = (*getTexel(image, 0, L) + *getTexel(image, -1, 0) + *getTexel(image, 0, L+1)) / 3;
  - *getTexel(image, L+1,L+1) = (*getTexel(image, L, L) + *getTexel(image, L+1, 0) + *getTexel(image, 0, L+1)) / 3;
  + *getTexel(image, L+1, -1) = (*getTexel(image, L, 0) + *getTexel(image, L, -1) + *getTexel(image, L+1, 0)) / 3;
  + *getTexel(image, -1, L+1) = (*getTexel(image, 0, L) + *getTexel(image, -1, L) + *getTexel(image, 0, L+1)) / 3;
  + *getTexel(image, L+1, L+1) = (*getTexel(image, L, L) + *getTexel(image, L+1, L) + *getTexel(image, L+1, L)) / 3;
  };
  // +Y / Top
  @@ -161,7 +161,7 @@ void Cubemap::makeSeamless() {
  stitch( Face::NZ, -1, 0, bpr, Face::PX, D-1, 0, bpr); // left
  stitch( Face::NZ, 0, -1, bpp, Face::PY, D-1, 0, -bpp); // top
  stitch( Face::NZ, D, 0, bpr, Face::NX, 0, 0, bpr); // right
  - stitch( Face::NZ, 0, D, bpp, Face::NY, D-1, 0, -bpp); // bottom
  + stitch( Face::NZ, 0, D, bpp, Face::NY, D-1, D-1, -bpp); // bottom
  corners(Face::NZ);
  // -Y / Bottom
  