* mln/core/internal/exact_gcc_2_95.hh: New.
	* mln/core/routine/exact.hh: Calls the previous version if
	g++ version is less than 3.
	* mln/core/internal/exact.hh (make_): Add code so that
	it passes g++-2.95.
	* tests/core/routine/exact.cc: Augment.

	* trash/fi_adaptor.cc,
	* mln/topo/face.hh,
	* mln/topo/internal/complex_iterator_base.hh,
	* mln/core/site_set/p_array.hh,
	* mln/core/site_set/p_image.hh,
	* mln/core/image/imorph/tr_image.hh,
	* mln/core/image/imorph/interpolated.hh,
	* mln/core/image/imorph/labeled_image.hh,
	* mln/core/point.hh,
	* mln/core/concept/pseudo_site.hh,
	* mln/core/category.hh,
	* mln/core/internal/check/image_fastest.hh,
	* mln/core/internal/graph_psite_base.hh,
	* mln/accu/transform_directional.hh,
	* mln/accu/transform_diagonal.hh,
	* mln/accu/transform_snake.hh,
	* mln/value/internal/gray_.hh,
	* mln/convert/to_p_array.hh,
	* mln/binarization/binarization.hh,
	* mln/binarization/threshold.hh,
	* mln/canvas/browsing/backdiagonal2d.hh,
	* mln/canvas/browsing/internal/graph_first_search.hh,
	* mln/labeling/compute.hh,
	* tests/core/image/imorph/tr_image.cc,
	* tests/core/image/imorph/labeled_image.cc,
	* tests/accu/site_set/rectangularity.cc,
	* tests/accu/compute.cc,
	* tests/canvas/browsing/fwd.cc,
	* tests/canvas/browsing/snake_fwd.cc,
	* tests/canvas/browsing/snake_vert.cc,
	* tests/canvas/browsing/snake_generic_2d_vert.cc,
	* tests/canvas/browsing/snake_generic_2d_hori.cc,
	* tests/canvas/browsing/snake_generic_3d_vert.cc,
	* tests/canvas/browsing/snake_generic_3d_hori.cc,
	* tests/canvas/browsing/hyper_directional.cc,
	* tests/canvas/browsing/diagonal2d.cc,
	* tests/canvas/browsing/backdiagonal2d.cc: Better pass g++-2.95.

	Misc.
	
	* mln/trait/concrete.hh (mln_concrete_ch_value): Remove.
	We have mln_ch_value.


git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@3949 4aad255d-cdde-0310-9447-f3009e2ae8c0