message: fix typos in ospray.h
diff: @@ -155,7 +155,7 @@ namespace osp {
  struct amr_brick_info
  {
  box3i bounds;
  - int refinemntLevel;
  + int refinementLevel;
  float cellWidth;
  };
  @@ -197,7 +197,7 @@ typedef struct { osp_linear3f l; osp_vec3f p; } osp_affine3f;
  typedef struct
  {
  osp_box3i bounds;
  - int refinemntLevel;
  + int refinementLevel;
  float cellWidth;
  } osp_amr_brick_info;
  