More bot whack-a-mole: fix Win build.

tests/ImageFilterTest.cpp

Index: tests/ImageFilterTest.cpp
diff --git a/tests/ImageFilterTest.cpp b/tests/ImageFilterTest.cpp
index 566151b87771ecc63f38e52c4378b8af668e8279..22f63b7c7016c37714ec2ee1bd16f5b1705eaa11 100644
--- a/tests/ImageFilterTest.cpp
+++ b/tests/ImageFilterTest.cpp
@@ -212,7 +212,7 @@ static void test_crop_rects(SkBaseDevice* device, skiatest::Reporter* reporter)
         SkBitmap result;
         SkIPoint offset;
         SkString str;
-        str.printf("filter %zd", i);
+        str.printf("filter %d", static_cast<int>(i));
         REPORTER_ASSERT_MESSAGE(reporter, filter->filterImage(&proxy, bitmap, SkMatrix::I(), &result, &offset), str.c_str());
         REPORTER_ASSERT_MESSAGE(reporter, offset.fX == 20 && offset.fY == 30, str.c_str());
     }