->getxattr(): pass dentry and inode as separate arguments

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/libfs.c b/fs/libfs.c
index 0ca80b2..03332f4 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -1127,8 +1127,8 @@
 	return -EOPNOTSUPP;
 }
 
-static ssize_t empty_dir_getxattr(struct dentry *dentry, const char *name,
-				  void *value, size_t size)
+static ssize_t empty_dir_getxattr(struct dentry *dentry, struct inode *inode,
+				  const char *name, void *value, size_t size)
 {
 	return -EOPNOTSUPP;
 }