Cherry pick vp8 halfpix variance fix

libvpx_srcs_x86.gypi

 # This file is generated. Do not edit.
 # Copyright (c) 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'sources': [
     '<(libvpx_source)/vp8/common/alloccommon.c',
     '<(libvpx_source)/vp8/common/alloccommon.h',
     '<(libvpx_source)/vp8/common/blockd.c',
@@ skipping 320 matching lines @@
     '<(libvpx_source)/vpx_dsp/vpx_convolve.c',
     '<(libvpx_source)/vpx_dsp/vpx_convolve.h',
     '<(libvpx_source)/vpx_dsp/vpx_dsp_common.h',
     '<(libvpx_source)/vpx_dsp/vpx_dsp_rtcd.c',
     '<(libvpx_source)/vpx_dsp/vpx_filter.h',
     '<(libvpx_source)/vpx_dsp/x86/convolve.h',
     '<(libvpx_source)/vpx_dsp/x86/fwd_dct32x32_impl_avx2.h',
     '<(libvpx_source)/vpx_dsp/x86/fwd_dct32x32_impl_sse2.h',
     '<(libvpx_source)/vpx_dsp/x86/fwd_txfm_impl_sse2.h',
     '<(libvpx_source)/vpx_dsp/x86/fwd_txfm_sse2.h',
+    '<(libvpx_source)/vpx_dsp/x86/halfpix_variance_impl_sse2.asm',
     '<(libvpx_source)/vpx_dsp/x86/intrapred_sse2.asm',
     '<(libvpx_source)/vpx_dsp/x86/intrapred_ssse3.asm',
     '<(libvpx_source)/vpx_dsp/x86/inv_txfm_sse2.asm',
     '<(libvpx_source)/vpx_dsp/x86/inv_txfm_sse2.h',
     '<(libvpx_source)/vpx_dsp/x86/loopfilter_mmx.asm',
     '<(libvpx_source)/vpx_dsp/x86/sad4d_sse2.asm',
     '<(libvpx_source)/vpx_dsp/x86/sad_mmx.asm',
     '<(libvpx_source)/vpx_dsp/x86/sad_sse2.asm',
     '<(libvpx_source)/vpx_dsp/x86/sad_sse3.asm',
     '<(libvpx_source)/vpx_dsp/x86/sad_sse4.asm',
@@ skipping 26 matching lines @@
     '<(libvpx_source)/vpx_scale/generic/yv12config.c',
     '<(libvpx_source)/vpx_scale/generic/yv12extend.c',
     '<(libvpx_source)/vpx_scale/vpx_scale.h',
     '<(libvpx_source)/vpx_scale/vpx_scale_rtcd.c',
     '<(libvpx_source)/vpx_scale/yv12config.h',
     '<(libvpx_source)/vpx_util/endian_inl.h',
     '<(libvpx_source)/vpx_util/vpx_thread.c',
     '<(libvpx_source)/vpx_util/vpx_thread.h',
   ],
 }