* protoize.c: (AUX_INFO_SUFFIX): New macro.
        (aux_info_suffix): Use.
        (SAVE_SUFFIX): New macro.
        (save_suffix): Use.
        (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
        (gen_aux_info_file): Use aux_info_suffix instead of ".X".
        (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.

        * invoke.texi (Running Protoize): Update documentation.

From-SVN: r32170