fix filtering of uv int4x4 for odd rows

Change-Id: I61f91855430e11da45d4e91ec6d3a8976c461cb7

av1/common/loopfilter.c

diff --git a/av1/common/loopfilter.c b/av1/common/loopfilter.c
index dc7ee18..eea05dc 100644
--- a/av1/common/loopfilter.c
+++ b/av1/common/loopfilter.c
@@ -1054,6 +1054,8 @@
       lfm->above_uv[TX_8X8] |= lfm->above_uv[TX_16X16] & 0xff00;
       lfm->above_uv[TX_16X16] &= ~(lfm->above_uv[TX_16X16] & 0xff00);
     }
+  } else {
+    lfm->above_int_4x4_uv = lfm->left_int_4x4_uv;
   }
 
   if (mi_col + MAX_MIB_SIZE > cm->mi_cols) {