* grub-core/osdep/apple/hostdisk.c (grub_util_get_fd_size): Rename to ..

(grub_util_get_fd_size_os): ...this.
	(grub_hostdisk_flush_initial_buffer): New empty function.

grub-core/osdep/apple/hostdisk.c

@@ -44,8 +44,8 @@
 
 # include <sys/disk.h>
 
-grub_uint64_t
-grub_util_get_fd_size (grub_util_fd_t fd, const char *name, unsigned *log_secsize)
+grub_int64_t
+grub_util_get_fd_size_os (grub_util_fd_t fd, const char *name, unsigned *log_secsize)
 {
   unsigned long long nr;
   unsigned sector_size, log_sector_size;
@@ -88,3 +88,8 @@ grub_util_fd_open (const char *os_dev, int flags)
 
   return ret;
 }
+
+void
+grub_hostdisk_flush_initial_buffer (const char *os_dev __attribute__ ((unused)))
+{
+}