Squashfs: xz_wrapper doesn't need to include squashfs_fs_i.h anymore

Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>

fs/squashfs/xz_wrapper.c

@@ -30,7 +30,6 @@
 
 #include "squashfs_fs.h"
 #include "squashfs_fs_sb.h"
-#include "squashfs_fs_i.h"
 #include "squashfs.h"
 #include "decompressor.h"