Work on option parsing as prelude to image loading

Change-Id: I13edbd9b341e603817941beaca676535a7e590c7
diff --git a/src/common_test.h b/src/common_test.h
index 9f8d6df..1fbe718 100644
--- a/src/common_test.h
+++ b/src/common_test.h
@@ -333,7 +333,7 @@
 
     java_lang_dex_file_.reset(GetLibCoreDex());
 
-    std::vector<DexFile*> boot_class_path;
+    std::vector<const DexFile*> boot_class_path;
     boot_class_path.push_back(java_lang_dex_file_.get());
 
     runtime_.reset(Runtime::Create(boot_class_path));