miscellaneous bits: fix the full justify segfault in a way that doesn't
break some normal full justifies, do a few more int -> bool conversions,
and fix a comment


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2209 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
5 files changed