Fix unused warning without ext-interp

Change-Id: Ibb63c492eb8278d115262b8fc3cbc761c406b107
diff --git a/test/vp10_convolve_optimz_test.cc b/test/vp10_convolve_optimz_test.cc
index 7999087..66f267f 100644
--- a/test/vp10_convolve_optimz_test.cc
+++ b/test/vp10_convolve_optimz_test.cc
@@ -197,6 +197,7 @@
 
 using std::tr1::make_tuple;
 
+#if HAVE_SSSE3 && CONFIG_EXT_INTERP
 const BlockDimension kBlockDim[] = {
   make_tuple(2, 2),
   make_tuple(2, 4),
@@ -218,7 +219,6 @@
   make_tuple(128, 128),
 };
 
-#if HAVE_SSSE3 && CONFIG_EXT_INTERP
 // 10/12-tap filters
 const INTERP_FILTER kFilter[] = {6, 4, 2};