switch all procfs directories ->iterate_shared()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/proc/namespaces.c b/fs/proc/namespaces.c
index 72cb26f..51b8b0a 100644
--- a/fs/proc/namespaces.c
+++ b/fs/proc/namespaces.c
@@ -139,7 +139,8 @@
 
 const struct file_operations proc_ns_dir_operations = {
 	.read		= generic_read_dir,
-	.iterate	= proc_ns_dir_readdir,
+	.iterate_shared	= proc_ns_dir_readdir,
+	.llseek		= generic_file_llseek,
 };
 
 static struct dentry *proc_ns_dir_lookup(struct inode *dir,