vp8 realtime encoder: mark unused variable

'duration' is not used in realtime-only mode:

Cleans up -Wextra warning:
unused parameter 'duration' [-Wunused-parameter]

Change-Id: I827dfe59ebcdc72c5a93fdf7e5aca063433914b1

diff --git a/vp8/vp8_cx_iface.c b/vp8/vp8_cx_iface.c
index b19ab7a233b114e99c9700e025cea9171d028b59..22a82b73469c43ff1107436ea6cf6e4d88040245 100644 (file)
--- a/vp8/vp8_cx_iface.c
+++ b/vp8/vp8_cx_iface.c
@@ -783,6 +783,7 @@ static void pick_quickcompress_mode(vpx_codec_alg_priv_t  *ctx,
     }
 
 #else
+    (void)duration;
     new_qc = MODE_REALTIME;
 #endif