[clang-fuzzer] Update proto fuzzer example for r375453.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@375487 91177308-0d34-0410-b5e6-96231b3b80d8

tools/clang-fuzzer/ExampleClangProtoFuzzer.cpp

diff --git a/tools/clang-fuzzer/ExampleClangProtoFuzzer.cpp b/tools/clang-fuzzer/ExampleClangProtoFuzzer.cpp
index 651f5c9..1d9636e 100644
--- a/tools/clang-fuzzer/ExampleClangProtoFuzzer.cpp
+++ b/tools/clang-fuzzer/ExampleClangProtoFuzzer.cpp
@@ -23,5 +23,5 @@
 
 DEFINE_BINARY_PROTO_FUZZER(const Function& input) {
   auto S = FunctionToString(input);
-  HandleCXX(S, GetCLArgs());
+  HandleCXX(S, "./test.cc", GetCLArgs());
 }