* src/lib/pango.rb: Rewrited a code which creates convinient constants         to Pango module to avoid to make unexpect values and works Ruby-1.6.
* src/lib/pango.rb: Rewrited a code which creates convinient constants
        to Pango module to avoid to make unexpect values and works Ruby-1.6.


kitachro/ruby-gnome2,kitachro/ruby-gnome2,kitachro/ruby-gnome2,kitachro/ruby-gnome2,kitachro/ruby-gnome2