mfd: Add export.h for EXPORT_SYMBOL/THIS_MODULE as required
These macros are in <linux/export.h> and will no longer be
implicitly everywhere anymore. Fix it up in advance.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/drivers/mfd/pcf50633-irq.c b/drivers/mfd/pcf50633-irq.c
index 1b0192f..048a3b9 100644
--- a/drivers/mfd/pcf50633-irq.c
+++ b/drivers/mfd/pcf50633-irq.c
@@ -15,6 +15,7 @@
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/mutex.h>
+#include <linux/export.h>
#include <linux/slab.h>
#include <linux/mfd/pcf50633/core.h>