revert lex compile-without-a-warning hack

configure.in

@@ -6,12 +6,12 @@ AC_PROG_INSTALL
 AC_PROG_YACC
 AM_PROG_LEX
 
-CFLAGS=-O2 -g -W -Wall -Werror
+CFLAGS=-O2 -g -W -Wall
 
 debug=false
 AC_ARG_ENABLE(debug,
 	[  --enable-debug                Turn on debugging],
-	[debug=true && CFLAGS="-O0 -g  -W -Wall -Werror"])
+	[debug=true && CFLAGS="-O0 -g  -W -Wall"])
 AM_CONDITIONAL(DEBUG, test x$debug = xtrue)
 
 oidentd=false

src/lex.l

@@ -21,12 +21,14 @@ extern list_t *root_list;
 void yyparse(void);
 void free_conf(list_t*);
 
+#if 0
 /* SPANK ME WITH A SHOVEL */
 static void yyunput(int c, char *buf);
 void dummy_lex_FFS(void)
 {
 	yyunput(0, NULL);
 }
+#endif
 
 list_t *parse_conf(FILE *file)
 {