V4L/DVB (6272): V4L: properly fix support for capturing interlaced video in saa7134

By "capturing interlaced video" I mean that card ensures that top field
is really top and vice versa (I think it takes the filed ID from signal)
Properly turn on/off that support depending on signal state

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h
index 5b1f226..745b750 100644
--- a/drivers/media/video/saa7134/saa7134.h
+++ b/drivers/media/video/saa7134/saa7134.h
@@ -639,7 +639,7 @@
 
 int saa7134_video_init1(struct saa7134_dev *dev);
 int saa7134_video_init2(struct saa7134_dev *dev);
-void saa7134_irq_video_intl(struct saa7134_dev *dev);
+void saa7134_irq_video_signalchange(struct saa7134_dev *dev);
 void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status);