Fix input MV for full search

Input MV needs to be modified to full-pixel precision.

Change-Id: Ic5d78e41bf27077e325024332b9fe89f76c44f0c
diff --git a/vp8/encoder/rdopt.c b/vp8/encoder/rdopt.c
index aa097b7..863b6d4 100644
--- a/vp8/encoder/rdopt.c
+++ b/vp8/encoder/rdopt.c
@@ -1190,7 +1190,12 @@
                     // Should we do a full search (best quality only)
                     if ((cpi->compressor_speed == 0) && (bestsme >> sseshift) > 4000)
                     {
-                        thissme = cpi->full_search_sad(x, c, e, bsi->mvp,
+                        MV full_mvp;
+
+                        full_mvp.row = bsi->mvp->row >>3;
+                        full_mvp.col = bsi->mvp->col >>3;
+
+                        thissme = cpi->full_search_sad(x, c, e, &full_mvp,
                                                        sadpb / 4, 16, v_fn_ptr, x->mvcost, bsi->ref_mv);
 
                         if (thissme < bestsme)