dio: ARRAY_SIZE() cleanup

[Geert: eliminate NUMNAMES, as suggested by Richard Knutsson ]
[akpm@linux-foundation.org: coding-syle fixes]
Signed-off-by: Alejandro Martinez Ruiz <alex@flawedcode.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Richard Knutsson <ricknu-0@student.ltu.se>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/dio/dio.c

@@ -88,8 +88,6 @@ static struct dioname names[] =
 #undef DIONAME
 #undef DIOFBNAME
 
-#define NUMNAMES (sizeof(names) / sizeof(struct dioname))
-
 static const char *unknowndioname 
         = "unknown DIO board -- please email <linux-m68k@lists.linux-m68k.org>!";
 
@@ -97,7 +95,7 @@ static const char *dio_getname(int id)
 {
         /* return pointer to a constant string describing the board with given ID */
 	unsigned int i;
-        for (i = 0; i < NUMNAMES; i++)
+	for (i = 0; i < ARRAY_SIZE(names); i++)
                 if (names[i].id == id) 
                         return names[i].name;