V4L/DVB(7873): mxl5005s: Fix header includes.

Ensure we have the correct .h dependencies included.
Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/common/tuners/mxl5005s.h

@@ -23,7 +23,8 @@
 #ifndef __MXL5005S_H
 #define __MXL5005S_H
 
-#include <linux/dvb/frontend.h>
+#include <linux/i2c.h>
+#include "dvb_frontend.h"
 
 struct mxl5005s_config {