[PATCH 5/7] staging: mt7621-mmc: add missing header.

[NeilBrown]

<linux/interrupt.h> is sometimes included by other include files,
and sometimes not, depending on config, particularly CONFIG_HIGHMEM.

So include it explicitly rather than relying on implicit inclusion.

Signed-off-by: NeilBrown <neil at brown.name>
---
 drivers/staging/mt7621-mmc/sd.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/mt7621-mmc/sd.c b/drivers/staging/mt7621-mmc/sd.c
index 6320bf5a6dd5..631d1311f331 100644
--- a/drivers/staging/mt7621-mmc/sd.c
+++ b/drivers/staging/mt7621-mmc/sd.c
@@ -38,6 +38,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/spinlock.h>
 #include <linux/platform_device.h>
+#include <linux/interrupt.h>
 
 #include <linux/mmc/host.h>
 #include <linux/mmc/mmc.h>