* genattr.c (fatal): Qualify a char* with the `const' keyword.
        * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
        write_unit_name, write_eligible_delay, expand_units,
        make_length_attrs, write_attr_case, find_attr,
        make_internal_attr): Likewise.
        * gencheck.c (tree_codes): Likewise.
        * gencodes.c (fatal): Likewise.
        * genconfig.c (fatal): Likewise.
        * genemit.c (fatal): Likewise.
        * genextract.c (fatal, walk_rtx, copystr): Likewise.
        * genflags.c (fatal): Likewise.
        * genopinit.c (fatal, optabs, gen_insn): Likewise.
        * genoutput.c (fatal, error, predicates): Likewise.
        * genpeep.c (fatal): Likewise.
        * genrecog.c (fatal, decision, pred_table, add_to_sequence,
        write_tree_1, write_tree, change_state, copystr, indents): Likewise.

From-SVN: r24377