Changed logging callback system to set default when registering NULL for callback and to turn off one should use LOG_OFF

git-svn-id: http://liblouis.googlecode.com/svn/trunk@1155 24698d54-e344-0410-af24-25bd253c2c7b
2 files changed
tree: a9136be2ea1c0d3d7b1f9025f65bd24a2436edd8
  1. liblouis/
  2. tables/