V4L/DVB (9079): gspca: Return error code from stream start functions.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/gspca/spca508.c b/drivers/media/video/gspca/spca508.c
index 281ce02..63ec902 100644
--- a/drivers/media/video/gspca/spca508.c
+++ b/drivers/media/video/gspca/spca508.c
@@ -1528,7 +1528,7 @@
 	return 0;
 }
 
-static void sd_start(struct gspca_dev *gspca_dev)
+static int sd_start(struct gspca_dev *gspca_dev)
 {
 	int mode;
 
@@ -1546,6 +1546,7 @@
 		break;
 	}
 	reg_write(gspca_dev->dev, 0x8112, 0x10 | 0x20);
+	return 0;
 }
 
 static void sd_stopN(struct gspca_dev *gspca_dev)