Take zerowidth and double-width chars into consideration when computing

Take zerowidth and double-width chars into consideration when computing

2007-01-03  Behdad Esfahbod  <behdad@gnome.org>

        * glib/goption.c (_g_unichar_get_width), (_g_utf8_strwidth),
        (calculate_max_length), (print_entry), (print_help): Take zerowidth
        and double-width chars into consideration when computing width of a
        string.  Also fix another bug in width computation.

        * glib/guniprop.c (g_unichar_iszerowidth): Fix typo.  It was not
        working correctly.

svn path=/trunk/; revision=5204