[media] pwc-if: get rid of warning: no previous prototype
drivers/media/usb/pwc/pwc-if.c:158:23: warning: no previous prototype for 'pwc_get_next_fill_buf' [-Wmissing-prototypes]
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c
index 42e36ba..e191572 100644
--- a/drivers/media/usb/pwc/pwc-if.c
+++ b/drivers/media/usb/pwc/pwc-if.c
@@ -155,7 +155,7 @@
/***************************************************************************/
/* Private functions */
-struct pwc_frame_buf *pwc_get_next_fill_buf(struct pwc_device *pdev)
+static struct pwc_frame_buf *pwc_get_next_fill_buf(struct pwc_device *pdev)
{
unsigned long flags = 0;
struct pwc_frame_buf *buf = NULL;