LFS/master.sh: only count chapter* dirs in lfs-commands
LFS/master.sh: only count chapter* dirs in lfs-commands

We count the number of files in lfs-commands to know whether
we have an old or a new book. But this shouldn't include the
custom-tools dir, so only count chapter*.


git-svn-id: 9d360e937358a6045131c933812460b0d7e6dc2a@4196 7d5e3409-5ede-0310-83dd-dbcb3a32f907

ojab/jhalfs,ojab/jhalfs,ojab/jhalfs