[media] saa7134: prepare to use pr_foo macros

Add a pr_fmt macro, and move saa7134.h header to the beginning,
to avoid warnings when using the pr_foo macros.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/pci/saa7134/saa7134-empress.c b/drivers/media/pci/saa7134/saa7134-empress.c
index c9118e0..707fc87 100644
--- a/drivers/media/pci/saa7134/saa7134-empress.c
+++ b/drivers/media/pci/saa7134/saa7134-empress.c
@@ -17,6 +17,9 @@
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include "saa7134.h"
+#include "saa7134-reg.h"
+
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/module.h>
@@ -26,9 +29,6 @@
 #include <media/v4l2-common.h>
 #include <media/v4l2-event.h>
 
-#include "saa7134-reg.h"
-#include "saa7134.h"
-
 /* ------------------------------------------------------------------ */
 
 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");