reallocate the required memory block, rather than allocating it newly from

reallocate the required memory block, rather than allocating it newly from

Mon Sep 21 07:44:30 1998  Tim Janik  <timj@gtk.org>

        * gtk/gtkobject.c (gtk_object_class_add_signals): reallocate
        the required memory block, rather than allocating it newly from
        scratch and doing a full-blown block copy on it.