* collect2.c (our_file_name, last_file_name): deleted.
        (our_file_names): New variable.
        (is_in_prefix_list): New function.
        (find_a_file): Call is_in_prefix_list.
        (main): Make COLLECT_NAMES a list of our invocations.
        If we've invoked ourselves, try again with ld_file_name.

From-SVN: r5262