* mln/accu/count_labels.hh,
	* mln/labeling/relabel.hh: Disable preconditions related to
	Symbolic value types.

	* mln/data/compare.hh: Pass variable with exact type.

	* mln/geom/max_sli.hh,
	* mln/geom/min_sli.hh: Use geom::bbox.

	* mln/io/plot/save.hh: Rename template parameter.

	* mln/util/set.hh: Reindent header.

git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@4683 4aad255d-cdde-0310-9447-f3009e2ae8c0