megaraid: single_open() leak

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

drivers/scsi/megaraid.c

@@ -2770,7 +2770,7 @@ static const struct file_operations mega_proc_fops = {
 	.open		= mega_proc_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
-	.release	= seq_release,
+	.release	= single_release,
 };
 
 /*