* more static'ing.

* more static'ing.

	* syslex.l (word, number, unit): Remove unused variables.
	* nlmheader.y (keyword_tokens): Make static.
	* coffdump.c (dump_coff_symbol, coff_dump): Make static.
	* coffgrok.c (lofile, last_function_symbol, last_function_type,
	last_struct, last_enum, cur_sfile): Make variables static.
	* sysdump.c (getCHARS, fillup, getBARRAY, getINT, getBITS,
	sysroff_swap_tr_in, sysroff_print_tr_out): Make static.
	* sysinfo.y (writecode, it, code, repeat, oldrepeat, name, rdepth,
	names, pnames): Likewise.