ext4: fix 64-bit number truncation warning

'0x7FDEADBEEF' will be truncated to 32-bit number under unicore32. Need
append 'ULL' for it.

The related warning (with allmodconfig under unicore32):

    CC [M]  fs/ext4/extents_status.o
  fs/ext4/extents_status.c: In function "__es_remove_extent":
  fs/ext4/extents_status.c:813: warning: integer constant is too large for "long" type
Signed-off-by: NChen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>

fs/ext4/extents_status.c

@@ -810,7 +810,7 @@ static int __es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
 
 			newes.es_lblk = end + 1;
 			newes.es_len = len2;
-			block = 0x7FDEADBEEF;
+			block = 0x7FDEADBEEFULL;
 			if (ext4_es_is_written(&orig_es) ||
 			    ext4_es_is_unwritten(&orig_es))
 				block = ext4_es_pblock(&orig_es) +