make finish_no_open() return int

namely, 1 ;-)  That's what we want to return from ->atomic_open()
instances after finish_no_open().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/open.c b/fs/open.c
index fc829d6..d51c1b7 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -810,9 +810,10 @@
  * This can be used to set the result of a successful lookup in ->atomic_open().
  * The filesystem's atomic_open() method shall return NULL after calling this.
  */
-void finish_no_open(struct file *file, struct dentry *dentry)
+int finish_no_open(struct file *file, struct dentry *dentry)
 {
 	file->f_path.dentry = dentry;
+	return 1;
 }
 EXPORT_SYMBOL(finish_no_open);