libvpx: Pull from upstream

source/libvpx/vp9/common/vp9_convolve.c

Index: source/libvpx/vp9/common/vp9_convolve.c
===================================================================
--- source/libvpx/vp9/common/vp9_convolve.c	(revision 271012)
+++ source/libvpx/vp9/common/vp9_convolve.c	(working copy)
@@ -156,6 +156,9 @@
   const InterpKernel *const filters_x = get_filter_base(filter_x);
   const int x0_q4 = get_filter_offset(filter_x, filters_x);
 
+  (void)filter_y;
+  (void)y_step_q4;
+
   convolve_horiz(src, src_stride, dst, dst_stride, filters_x,
                  x0_q4, x_step_q4, w, h);
 }
@@ -168,6 +171,9 @@
   const InterpKernel *const filters_x = get_filter_base(filter_x);
   const int x0_q4 = get_filter_offset(filter_x, filters_x);
 
+  (void)filter_y;
+  (void)y_step_q4;
+
   convolve_avg_horiz(src, src_stride, dst, dst_stride, filters_x,
                      x0_q4, x_step_q4, w, h);
 }
@@ -179,6 +185,10 @@
                           int w, int h) {
   const InterpKernel *const filters_y = get_filter_base(filter_y);
   const int y0_q4 = get_filter_offset(filter_y, filters_y);
+
+  (void)filter_x;
+  (void)x_step_q4;
+
   convolve_vert(src, src_stride, dst, dst_stride, filters_y,
                 y0_q4, y_step_q4, w, h);
 }
@@ -190,6 +200,10 @@
                               int w, int h) {
   const InterpKernel *const filters_y = get_filter_base(filter_y);
   const int y0_q4 = get_filter_offset(filter_y, filters_y);
+
+  (void)filter_x;
+  (void)x_step_q4;
+
   convolve_avg_vert(src, src_stride, dst, dst_stride, filters_y,
                     y0_q4, y_step_q4, w, h);
 }
@@ -232,6 +246,9 @@
                          int w, int h) {
   int r;
 
+  (void)filter_x;  (void)filter_x_stride;
+  (void)filter_y;  (void)filter_y_stride;
+
   for (r = h; r > 0; --r) {
     vpx_memcpy(dst, src, w);
     src += src_stride;
@@ -246,6 +263,9 @@
                         int w, int h) {
   int x, y;
 
+  (void)filter_x;  (void)filter_x_stride;
+  (void)filter_y;  (void)filter_y_stride;
+
   for (y = 0; y < h; ++y) {
     for (x = 0; x < w; ++x)
       dst[x] = ROUND_POWER_OF_TWO(dst[x] + src[x], 1);