Btrfs: Fix compile on kernel without ACLs enabled

Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index 4b3bd24..0a49504 100644
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -26,20 +26,22 @@
 #include "transaction.h"
 #include "xattr.h"
 #include "disk-io.h"
-
 static struct xattr_handler *btrfs_xattr_handler_map[] = {
 	[BTRFS_XATTR_INDEX_USER]		= &btrfs_xattr_user_handler,
+#ifdef CONFIG_FS_POSIX_ACL
 	[BTRFS_XATTR_INDEX_POSIX_ACL_ACCESS]	= &btrfs_xattr_acl_access_handler,
 	[BTRFS_XATTR_INDEX_POSIX_ACL_DEFAULT]	= &btrfs_xattr_acl_default_handler,
+#endif
 	[BTRFS_XATTR_INDEX_TRUSTED]		= &btrfs_xattr_trusted_handler,
 	[BTRFS_XATTR_INDEX_SECURITY]		= &btrfs_xattr_security_handler,
 	[BTRFS_XATTR_INDEX_SYSTEM]		= &btrfs_xattr_system_handler,
 };
-
 struct xattr_handler *btrfs_xattr_handlers[] = {
 	&btrfs_xattr_user_handler,
+#ifdef CONFIG_FS_POSIX_ACL
 	&btrfs_xattr_acl_access_handler,
 	&btrfs_xattr_acl_default_handler,
+#endif
 	&btrfs_xattr_trusted_handler,
 	&btrfs_xattr_security_handler,
 	&btrfs_xattr_system_handler,