reiserfs: Fix signedness issues for large file systems

Now that we handle file systems > 8 TB, we end up printing large negative
numbers instead of actual block numbers. This patch fixes those places
to use unsigned ints for block numbers.

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

debugreiserfs/scan.c

@@ -1032,7 +1032,7 @@ void do_scan (reiserfs_filsys_t * fs)
     /* step 2: */
     done = 0;
     total = reiserfs_bitmap_ones (input_bitmap (fs));
-    printf ("%ld bits set in bitmap\n", total);
+    printf ("%lu bits set in bitmap\n", total);
     for (i = 0; i < get_sb_block_count (fs->fs_ondisk_sb); i ++) {
 	int type;