Move GRUB_CHAR_BIT to types.h.

include/grub/misc.h

@@ -481,6 +481,4 @@ void EXPORT_FUNC(grub_real_boot_time) (const char *file,
 #define grub_max(a, b) (((a) > (b)) ? (a) : (b))
 #define grub_min(a, b) (((a) < (b)) ? (a) : (b))
 
-#define GRUB_CHAR_BIT 8
-
 #endif /* ! GRUB_MISC_HEADER */

include/grub/types.h

@@ -300,4 +300,6 @@ static inline void grub_set_unaligned64 (void *ptr, grub_uint64_t val)
   dd->d = val;
 }
 
+#define GRUB_CHAR_BIT 8
+
 #endif /* ! GRUB_TYPES_HEADER */