miscellaneous bits: change flags to an unsigned long and totsize to a

miscellaneous bits: change flags to an unsigned long and totsize to a
size_t, store the number of multibyte characters instead of the number
of single-byte characters in totsize, and add a few formatting fixes

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2302 35c25a1d-7b9e-4130-9fde-d3aeb78583b8