switch all procfs directories ->iterate_shared()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index ff3ffc7..c633476 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -318,7 +318,7 @@
 static const struct file_operations proc_dir_operations = {
 	.llseek			= generic_file_llseek,
 	.read			= generic_read_dir,
-	.iterate		= proc_readdir,
+	.iterate_shared		= proc_readdir,
 };
 
 /*