Btrfs: Fixup reference counting on cows

Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index dda08f3..e32a959 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c
@@ -21,9 +21,11 @@
 			item->key.objectid, item->key.flags, item->key.offset,
 			item->offset, item->size);
 		fflush(stdout);
-		printf("\t\titem data %.*s\n", item->size, l->data+item->offset);
+		printf("\t\titem data %.*s\n", item->size,
+			l->data+item->offset);
 		ei = (struct extent_item *)(l->data + item->offset);
-		printf("\t\textent data %u %Lu\n", ei->refs, ei->owner);
+		printf("\t\textent data refs %u owner %Lu\n", ei->refs,
+			ei->owner);
 		fflush(stdout);
 	}
 }