[PATCH] gpiolib: add missing include

[Bartosz Golaszewski <brgl@xxxxxxxx>]

From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>

gpiolib.h uses notifiers but doesn't include <linux/notifier.h>.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
---
 drivers/gpio/gpiolib.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h
index cca81375f127..1409d52487c0 100644
--- a/drivers/gpio/gpiolib.h
+++ b/drivers/gpio/gpiolib.h
@@ -14,6 +14,7 @@
 #include <linux/err.h>
 #include <linux/device.h>
 #include <linux/module.h>
+#include <linux/notifier.h>
 #include <linux/cdev.h>
 #include <linux/rwsem.h>
 
-- 
2.39.2