[x265] asm: enable count_nonzero for HIGH_BIT_DEPTH

[Satoshi Nakagawa]

# HG changeset patch
# User Satoshi Nakagawa <nakagawa424 at oki.com>
# Date 1393551617 -32400
#      Fri Feb 28 10:40:17 2014 +0900
# Node ID 3d579125413db314e0c5f64a1a098aa60e8e519f
# Parent  8189f9e9a39f135eb1a8b6c76833503f0b85c6f2
asm: enable count_nonzero for HIGH_BIT_DEPTH

diff -r 8189f9e9a39f -r 3d579125413d source/common/x86/asm-primitives.cpp
--- a/source/common/x86/asm-primitives.cpp	Thu Feb 27 19:05:54 2014 -0600
+++ b/source/common/x86/asm-primitives.cpp	Fri Feb 28 10:40:17 2014 +0900
@@ -886,6 +886,7 @@
         p.dct[DCT_4x4] = x265_dct4_sse2;
         p.idct[IDCT_4x4] = x265_idct4_sse2;
         p.idct[IDST_4x4] = x265_idst4_sse2;
+        p.count_nonzero = x265_count_nonzero_sse2;
 
         LUMA_SS_FILTERS(_sse2);
     }