First try at generating grub-emu from modules

partmap/acorn.c

@@ -195,12 +195,12 @@ static struct grub_partition_map grub_acorn_partition_map =
   .get_name = acorn_partition_map_get_name
 };
 
-GRUB_MOD_INIT(acorn_partition_map)
+GRUB_MOD_INIT(part_acorn)
 {
   grub_partition_map_register (&grub_acorn_partition_map);
 }
 
-GRUB_MOD_FINI(acorn_partition_map)
+GRUB_MOD_FINI(part_acorn)
 {
   grub_partition_map_unregister (&grub_acorn_partition_map);
 }