media: v4l2-ctrls: Fix missing newline in examples

Replace supportedn with supported\n , i.e. add the missing backslash.
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

Documentation/userspace-api/media/v4l/control.rst

@@ -461,10 +461,10 @@ Example: Changing controls
 	    perror("VIDIOC_QUERYCTRL");
 	    exit(EXIT_FAILURE);
 	} else {
-	    printf("V4L2_CID_BRIGHTNESS is not supportedn");
+	    printf("V4L2_CID_BRIGHTNESS is not supported\n");
 	}
     } else if (queryctrl.flags & V4L2_CTRL_FLAG_DISABLED) {
-	printf("V4L2_CID_BRIGHTNESS is not supportedn");
+	printf("V4L2_CID_BRIGHTNESS is not supported\n");
     } else {
 	memset(&control, 0, sizeof (control));
 	control.id = V4L2_CID_BRIGHTNESS;