gtk2 rbgtkstock.c: drop GTK_CHECK_VERSION(2,4,0)
gtk2 rbgtkstock.c: drop GTK_CHECK_VERSION(2,4,0)

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