reiserfsprogs: annotate for endian safeness

By annotating structure members and other on-disk structures as little
endian, we can catch bugs more easily.

The code was already endian safe except for three minor spots:
1) The badblock list code was initializing its key in an endian-unsafe way.
2) Indirect block pointer sequence printing was treating cpu-order values
   as little endian.
3) reiserfsck was trying to do endian switching on the lost+found key,
   but it was before it was even initialized to anything, so we can
   just remove that completely.

These issues were fixed as part of this commit.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>

fsck/check_tree.c

@@ -388,7 +388,8 @@ static int bad_direct_item(reiserfs_filsys_t *fs,
 }
 
 inline void handle_one_pointer(reiserfs_filsys_t *fs,
-			       struct buffer_head *bh, __u32 * item, int offset)
+			       struct buffer_head *bh, __le32 * item,
+			       int offset)
 {
 	if (fsck_mode(fs) == FSCK_FIX_FIXABLE) {
 		fsck_log(" - zeroed");
@@ -403,7 +404,7 @@ static int bad_badblocks_item(reiserfs_filsys_t *fs, struct buffer_head *bh,
 			      struct item_head *ih)
 {
 	__u32 i;
-	__u32 *ind = (__u32 *) ih_item_body(bh, ih);
+	__le32 *ind = (__le32 *) ih_item_body(bh, ih);
 
 	if (get_ih_item_len(ih) % 4) {
 		fsck_log("%s: block %lu: item (%H) has bad length\n",
@@ -477,7 +478,7 @@ static int bad_badblocks_item(reiserfs_filsys_t *fs, struct buffer_head *bh,
 static int bad_indirect_item(reiserfs_filsys_t *fs, struct buffer_head *bh,
 			     struct item_head *ih)
 {
-	__u32 *ind = (__u32 *) ih_item_body(bh, ih);
+	__le32 *ind = (__le32 *) ih_item_body(bh, ih);
 	unsigned int i;
 
 	if (get_ih_item_len(ih) % 4) {