grub patch

@@ -72,11 +72,11 @@
                                            const grub_partition_t partition))
 {
   grub_partition_t p;
   union
   {
-    struct grub_sun_pc_block sun;
+    struct grub_sun_pc_block sunb;
     grub_uint16_t raw[0];
   } block;
   int partnum;
   grub_err_t err;
 

@@ -90,11 +90,11 @@
     {
       grub_free (p);
       return err;
     }
   
-  if (GRUB_PARTMAP_SUN_PC_MAGIC != grub_le_to_cpu16 (block.sun.magic))
+  if (GRUB_PARTMAP_SUN_PC_MAGIC != grub_le_to_cpu16 (block.sunb.magic))
     {
       grub_free (p);
       return grub_error (GRUB_ERR_BAD_PART_TABLE, 
                          "not a sun_pc partition table");
     }

@@ -109,16 +109,16 @@
      table _is_ recognized but invalid.  */
   for (partnum = 0; partnum < GRUB_PARTMAP_SUN_PC_MAX_PARTS; partnum++)
     {
       struct grub_sun_pc_partition_descriptor *desc;
 
-      if (block.sun.partitions[partnum].id == 0
-          || block.sun.partitions[partnum].id
+      if (block.sunb.partitions[partnum].id == 0
+          || block.sunb.partitions[partnum].id
           == GRUB_PARTMAP_SUN_PC_WHOLE_DISK_ID)
         continue;
 
-      desc = &block.sun.partitions[partnum];
+      desc = &block.sunb.partitions[partnum];
       p->start = grub_le_to_cpu32 (desc->start_sector);
       p->len = grub_le_to_cpu32 (desc->num_sectors);
       p->number = partnum;
       if (p->len)
         {