Add const to get rid of some warnings when passing quoted strings.

Remove an unused extern declaration.

Signed-off-by: Myles Watson <mylesgw@gmail.com>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4756 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/pc80/mc146818rtc.c

@@ -231,7 +231,7 @@ static int get_cmos_value(unsigned long bit, unsigned long length, void *vret)
 	return 0;
 }
 
-int get_option(void *dest, char *name)
+int get_option(void *dest, const char *name)
 {
 	extern struct cmos_option_table option_table;
 	struct cmos_option_table *ct;