h264: Fix 10-bit H.264 x86 chroma v loopfilter asm.

The tc variable was not splatted correctly.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>

libavcodec/x86/h264_deblock_10bit.asm

@@ -836,6 +836,13 @@ DEBLOCK_LUMA_INTRA avx
     mova [r0+2*r1], m2
 %endmacro
 
+%macro CHROMA_V_LOAD_TC 2
+    movd        %1, [%2]
+    punpcklbw   %1, %1
+    punpcklwd   %1, %1
+    psraw       %1, 6
+%endmacro
+
 %macro DEBLOCK_CHROMA 1
 ;-----------------------------------------------------------------------------
 ; void deblock_v_chroma( uint16_t *pix, int stride, int alpha, int beta, int8_t *tc0 )
@@ -854,7 +861,7 @@ cglobal deblock_v_chroma_10_%1, 5,7-(mmsize/16),8*(mmsize/16)
     LOAD_AB     m4, m5, r2, r3
     LOAD_MASK   m0, m1, m2, m3, m4, m5, m7, m6, m4
     pxor        m4, m4
-    LOAD_TC     m6, r4
+    CHROMA_V_LOAD_TC m6, r4
     psubw       m6, [pw_3]
     pmaxsw      m6, m4
     pand        m7, m6