* mln/canvas/browsing/backdiagonal2d.hh,
	* mln/canvas/browsing/breadth_first_search.hh,
	* mln/canvas/browsing/depth_first_search.hh,
	* mln/canvas/browsing/diagonal2d.hh,
	* mln/canvas/browsing/dir_struct_elt_incr_update.hh,
	* mln/canvas/browsing/directional.hh,
	* mln/canvas/browsing/fwd.hh,
	* mln/canvas/browsing/hyper_directional.hh,
	* mln/canvas/browsing/snake_fwd.hh,
	* mln/canvas/browsing/snake_generic.hh,
	* mln/canvas/browsing/snake_vert.hh,
	* mln/fun/v2v/hsi_to_rgb.hh,
	* mln/fun/v2v/rgb_to_hsi.hh,
	* mln/fun/v2v/rgb_to_hsl.hh,
	* mln/literal/black.hh,
	* mln/literal/colors.hh,
	* mln/literal/grays.hh,
	* mln/literal/max.hh,
	* mln/literal/min.hh,
	* mln/literal/white.hh: Add missing inline keyword and
	MLN_WO_GLOBAL_VARS guards.