V4L/DVB (4269): Subject: videocodec: make 1-bit fields unsigned

Make 1-bit bitfields unsigned.  Removes 68 sparse errors like these:
drivers/media/video/videocodec.h:225:17: error: dubious one-bit signed bitfield
drivers/media/video/msp3400-driver.h:93:32: error: dubious one-bit signed bitfield
Acked-by: Hans Verkuil <hverkuil@xs4all.nl>

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/videocodec.h b/drivers/media/video/videocodec.h
index 8c23372..97a3bbe 100644
--- a/drivers/media/video/videocodec.h
+++ b/drivers/media/video/videocodec.h
@@ -222,14 +222,14 @@
 /* ========================= */
 
 struct vfe_polarity {
-	int vsync_pol:1;
-	int hsync_pol:1;
-	int field_pol:1;
-	int blank_pol:1;
-	int subimg_pol:1;
-	int poe_pol:1;
-	int pvalid_pol:1;
-	int vclk_pol:1;
+	unsigned int vsync_pol:1;
+	unsigned int hsync_pol:1;
+	unsigned int field_pol:1;
+	unsigned int blank_pol:1;
+	unsigned int subimg_pol:1;
+	unsigned int poe_pol:1;
+	unsigned int pvalid_pol:1;
+	unsigned int vclk_pol:1;
 };
 
 struct vfe_settings {