Use ext2fs_file_acl_block() instead of using .i_file_acl directly

This provides support for 48-bit file acl blocks.

Signed-off-by: Valerie Aurora Henson <vaurora@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/lib/ext2fs/ext2_fs.h b/lib/ext2fs/ext2_fs.h
index 8b85d6c..114b001 100644
--- a/lib/ext2fs/ext2_fs.h
+++ b/lib/ext2fs/ext2_fs.h
@@ -346,7 +346,7 @@
 	__u32	i_block[EXT2_N_BLOCKS];/* Pointers to blocks */
 	__u32	i_generation;	/* File version (for NFS) */
 	__u32	i_file_acl;	/* File ACL */
-	__u32	i_dir_acl;	/* Directory ACL */
+	__u32	i_size_high;	/* Formerly i_dir_acl, directory ACL */
 	__u32	i_faddr;	/* Fragment address */
 	union {
 		struct {
@@ -393,7 +393,7 @@
 	__u32	i_block[EXT2_N_BLOCKS];/* Pointers to blocks */
 	__u32	i_generation;	/* File version (for NFS) */
 	__u32	i_file_acl;	/* File ACL */
-	__u32	i_dir_acl;	/* Directory ACL */
+	__u32	i_size_high;	/* Formerly i_dir_acl, directory ACL */
 	__u32	i_faddr;	/* Fragment address */
 	union {
 		struct {
@@ -422,7 +422,7 @@
 	__u32	i_version_hi;	/* high 32 bits for 64-bit version */
 };
 
-#define i_size_high	i_dir_acl
+#define i_dir_acl	i_size_high
 
 #if defined(__KERNEL__) || defined(__linux__)
 #define i_reserved1	osd1.linux1.l_i_reserved1