fix fuzz

tests/skia_test.cpp

Index: tests/skia_test.cpp
diff --git a/tests/skia_test.cpp b/tests/skia_test.cpp
index 462735a71c91aa3fc25855dda0b2dffbf97e1b15..93b6c698b2eb64fe53a093b32663c82b86789f2b 100644
--- a/tests/skia_test.cpp
+++ b/tests/skia_test.cpp
@@ -171,7 +171,7 @@ int test_main() {
         if (FLAGS_dumpOp) {
             header.appendf(" -d");
         }
-#if SK_DEBUG
+#ifdef SK_DEBUG
         if (FLAGS_runFail) {
             header.appendf(" -f");
         }