[PATCH] dt3155v4l: fix build failure

[Sergei Trofimovich]

Found on allmodconfig build (ARCH=alpha)

    drivers/staging/dt3155v4l/dt3155v4l.c: In function 'dt3155_open':
    drivers/staging/dt3155v4l/dt3155v4l.c:410: error: implicit declaration of function 'kzalloc'

Signed-off-by: Sergei Trofimovich <slyfox at gentoo.org>
Cc: Greg Kroah-Hartman <gregkh at suse.de>
Cc: Mauro Carvalho Chehab <mchehab at redhat.com>
Cc: Hans Verkuil <hverkuil at xs4all.nl>
Cc: Marin Mitov <mitov at issp.bas.bg>
Cc: devel at driverdev.osuosl.org
---
 drivers/staging/dt3155v4l/dt3155v4l.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/staging/dt3155v4l/dt3155v4l.c b/drivers/staging/dt3155v4l/dt3155v4l.c
index fe02d22..05aa41c 100644
--- a/drivers/staging/dt3155v4l/dt3155v4l.c
+++ b/drivers/staging/dt3155v4l/dt3155v4l.c
@@ -22,6 +22,7 @@
 #include <linux/stringify.h>
 #include <linux/delay.h>
 #include <linux/kthread.h>
+#include <linux/slab.h>
 #include <media/v4l2-dev.h>
 #include <media/v4l2-ioctl.h>
 #include <media/videobuf2-dma-contig.h>
-- 
1.7.3.4