pass 0 instead of NULL for size_t parameter



git-svn-id: http://skia.googlecode.com/svn/trunk@8791 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/DataRefTest.cpp b/tests/DataRefTest.cpp
index dbe02e8..d515540 100644
--- a/tests/DataRefTest.cpp
+++ b/tests/DataRefTest.cpp
@@ -63,8 +63,8 @@
 static void test_emptytable(skiatest::Reporter* reporter) {
     SkAutoTUnref<SkDataTable> table0(SkDataTable::NewEmpty());
     SkAutoTUnref<SkDataTable> table1(SkDataTable::NewCopyArrays(NULL, NULL, 0));
-    SkAutoTUnref<SkDataTable> table2(SkDataTable::NewCopyArray(NULL, NULL, 0));
-    SkAutoTUnref<SkDataTable> table3(SkDataTable::NewArrayProc(NULL, NULL, 0,
+    SkAutoTUnref<SkDataTable> table2(SkDataTable::NewCopyArray(NULL, 0, 0));
+    SkAutoTUnref<SkDataTable> table3(SkDataTable::NewArrayProc(NULL, 0, 0,
                                                                NULL, NULL));
 
     test_datatable_is_empty(reporter, table0);