libvpx: Pull from upstream

source/libvpx/vp8/encoder/firstpass.c

Index: source/libvpx/vp8/encoder/firstpass.c
===================================================================
--- source/libvpx/vp8/encoder/firstpass.c	(revision 293588)
+++ source/libvpx/vp8/encoder/firstpass.c	(working copy)
@@ -132,6 +132,7 @@
                          FIRSTPASS_STATS            *stats)
 {
     struct vpx_codec_cx_pkt pkt;
+    (void)cpi;
     pkt.kind = VPX_CODEC_STATS_PKT;
     pkt.data.twopass_stats.buf = stats;
     pkt.data.twopass_stats.sz = sizeof(FIRSTPASS_STATS);
@@ -418,6 +419,7 @@
     int raw_stride = raw_buffer->y_stride;
     unsigned char *ref_ptr;
     int ref_stride = x->e_mbd.pre.y_stride;
+    (void)cpi;
 
     /* Set up pointers for this macro block raw buffer */
     raw_ptr = (unsigned char *)(raw_buffer->y_buffer + recon_yoffset
@@ -1409,6 +1411,7 @@
 
 void vp8_end_second_pass(VP8_COMP *cpi)
 {
+  (void)cpi;
 }
 
 /* This function gives and estimate of how badly we believe the prediction
@@ -1419,6 +1422,7 @@
     double prediction_decay_rate;
     double motion_decay;
     double motion_pct = next_frame->pcnt_motion;
+    (void)cpi;
 
     /* Initial basis is the % mbs inter coded */
     prediction_decay_rate = next_frame->pcnt_inter;
@@ -1547,6 +1551,7 @@
     double this_frame_mvr_ratio;
     double this_frame_mvc_ratio;
     double motion_pct;
+    (void)cpi;
 
     /* Accumulate motion stats. */
     motion_pct = this_frame->pcnt_motion;