updated change files

Signed-off-by: Ken Museth <ken.museth@gmail.com>

Author: kmuseth

pendingchanges/openvdb_cmd.txt

@@ -7,6 +7,7 @@ vdb_tool:
   - Added new action -quat2tri/q2t, which triangulates all quads in a mesh.
   - Added new action -vol2mesh, which converts s scalar volumes into an adaptive polygon mesh.
   - Added new action -fog2vol, which converts a fog volumes into an adaptive polygon mesh.
+  - Added new action -splice, which generates one or more images of axis-aligned slices through a scalar grid.
   - Added triangulation of N-gons to readOBJ and readSTL, assuming they are convex.
   - Added read support for xyz files.