* milena/mln/level/fill_with_image.spe.hh,
	* milena/mln/morpho/erosion.spe.hh:
	Call trace::exiting before the return statement.

	* mln/io/fits/load.hh,
	* mln/io/off/load.hh,
	* mln/io/off/save.hh,
	* mln/io/pbm/load.hh,
	* mln/io/pbm/save.hh,
	* mln/io/pfm/load.hh,
	* mln/io/pfm/save.hh,
	* mln/io/pgm/load.hh,
	* mln/io/pgm/save.hh,
	* mln/io/pnm/load.hh,
	* mln/io/pnm/save.hh,
	* mln/io/ppm/load.hh:
	Add missing traces.

git-svn-id: https://svn.lrde.epita.fr/svn/oln/branches/cleanup-2008@2699 4aad255d-cdde-0310-9447-f3009e2ae8c0