ia64: single_open() leaks

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/ia64/kernel/palinfo.c

@@ -929,7 +929,7 @@ static const struct file_operations proc_palinfo_fops = {
 	.open		= proc_palinfo_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
-	.release	= seq_release,
+	.release	= single_release,
 };
 
 static void __cpuinit