Allow Platform.executable for JIT app snapshots.

tests/standalone/io/process_set_exit_code_test.dart

Index: tests/standalone/io/process_set_exit_code_test.dart
diff --git a/tests/standalone/io/process_set_exit_code_test.dart b/tests/standalone/io/process_set_exit_code_test.dart
index 4dded0cfe95181ba1f1a82205ff24bb063b08c25..64182c110b14f65053fe75a2dd7e360c862adca1 100644
--- a/tests/standalone/io/process_set_exit_code_test.dart
+++ b/tests/standalone/io/process_set_exit_code_test.dart
@@ -1,7 +1,9 @@
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
-//
+
+// OtherResources=process_set_exit_code_script.dart
+
 // Process test program to test process communication.
 
 library ProcessSetExitCodeTest;