regulator: Fix implicit use of notifier.h by driver.h
This was implicitly appearing by way of module.h -- but when
we fix that, we'll get this:
In file included from drivers/regulator/dummy.c:21:
include/linux/regulator/driver.h:197: error: field 'notifier' has incomplete type
make[3]: *** [drivers/regulator/dummy.o] Error 1
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 12a1aa0..52c89ae 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -16,6 +16,7 @@
#define __LINUX_REGULATOR_DRIVER_H_
#include <linux/device.h>
+#include <linux/notifier.h>
#include <linux/regulator/consumer.h>
struct regulator_dev;