make panning work for logscale axes * graphics.cc (do_translate): New static function.: * graphics.cc, graphics.h.in (axes::properties): Use it. Args are now beginning and ending coordinates, not deltas. * __init_fltk__.cc (plot_window::handle): Pass beginning and ending * coordinates to translate_view, not deltas.

gnulib = [git]git://git.sv.gnu.org/gnulib