Warning fixes:

Warning fixes:
        * bad.c (ffebad_finish): Change type of variable `c' to unsigned
        char, change type of variable `s' to unsigned char *.
        * com.c (ffecom_symbol_null_): Add missing initializers.
        * fini.c (MAXNAMELEN): Undef it before defining.
        * implic.c (ffeimplic_lookup_): Change type of parameter `c' to
        unsigned char.
        * intrin.c (ffeintrin_init_0): Cast the argument of ctype macros
        to (unsigned char).
        * lex.c (ffelex_splice_tokens): Change type of variable `p' to
        unsigned char *.
        (ffelex_token_name_from_names): Cast the argument of
        `ffelex_is_firstnamechar' to (unsigned char).
        (ffelex_token_names_from_names): Likewise.
        (ffelex_token_new_name): Likewise.
        (ffelex_token_new_names): Likewise.
        * malloc.c (malloc_root_): Add missing initializer.
        * stb.c (ffestb_do): Change type of variable `p' to unsigned char *.
        (ffestb_else) Likewise.
        (ffestb_else3_) Likewise.
        (ffestb_endxyz) Likewise.
        (ffestb_goto) Likewise.
        (ffestb_let) Likewise.
        (ffestb_varlist) Likewise.
        (ffestb_R522) Likewise.
        (ffestb_R528) Likewise.
        (ffestb_R834) Likewise.
        (ffestb_R835) Likewise.
        (ffestb_R838) Likewise.
        (ffestb_R1102) Likewise.
        (ffestb_blockdata) Likewise.
        (ffestb_R1212) Likewise.
        (ffestb_R810) Likewise.
        (ffestb_R10014_): Cast the argument of `ffelex_is_firstnamechar'
        to (unsigned char).
        (ffestb_V014): Change type of variable `p' to unsigned char *.
        (ffestb_dummy) Likewise.
        (ffestb_R524) Likewise.
        (ffestb_R547) Likewise.
        (ffestb_decl_chartype) Likewise.
        (ffestb_decl_dbltype) Likewise.
        (ffestb_decl_gentype) Likewise.
        (ffestb_decl_entsp_2_) Likewise.
        (ffestb_V027) Likewise.
        (ffestb_decl_R539) Likewise.
        * top.c (ffe_decode_option): Mark parameter `argc' with
        ATTRIBUTE_UNUSED.
        * where.c (ffewhere_unknown_line_): Add missing initializers.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@23030 138bc75d-0d04-0410-961f-82ee72b054a4