Fix screwup in handling of module path that was resulting in freed memory

Fix screwup in handling of module path that was resulting in freed memory

Fri Mar 29 17:41:21 2002  Owen Taylor  <otaylor@redhat.com>

        * gtk/gtkmain.c (load_modules): Fix screwup in handling
        of module path that was resulting in freed memory being
        accessed when both GTK_MODULES and a theme were set.
        (#76902, Johan Dahlin)