talk: Use NDEBUG macro.

talk/media/base/videoframe_unittest.h

Index: talk/media/base/videoframe_unittest.h
diff --git a/talk/media/base/videoframe_unittest.h b/talk/media/base/videoframe_unittest.h
index 2f72935acd1b07b2b1b704c491766b4a747f13cb..73d1a2ffbcf919c96ffd0aa73034343b130e48d8 100644
--- a/talk/media/base/videoframe_unittest.h
+++ b/talk/media/base/videoframe_unittest.h
@@ -1251,7 +1251,7 @@ class VideoFrameTest : public testing::Test {
   // The following test that Validate crashes if the size is greater than the
   // actual buffer size.
   // TODO(fbarchard): Consider moving a filter into the capturer/plugin.
-#if defined(_MSC_VER) && defined(_DEBUG)
+#if defined(_MSC_VER) && !defined(NDEBUG)
   int ExceptionFilter(unsigned int code, struct _EXCEPTION_POINTERS *ep) {
     if (code == EXCEPTION_ACCESS_VIOLATION) {
       LOG(LS_INFO) << "Caught EXCEPTION_ACCESS_VIOLATION as expected.";