h8300: single_open() leaks

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/h8300/kernel/gpio.c b/arch/h8300/kernel/gpio.c
index b02c752..084bfd0 100644
--- a/arch/h8300/kernel/gpio.c
+++ b/arch/h8300/kernel/gpio.c
@@ -161,7 +161,7 @@
 	.open		= gpio_proc_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
-	.release	= seq_release,
+	.release	= single_release,
 };
 
 static __init int register_proc(void)