Fix r348773

It's not sufficient to implement the CreateMemoryInstance function, one
has to use it too.

llvm-svn: 348780

lldb/source/Plugins/ObjectFile/Breakpad/ObjectFileBreakpad.cpp

@@ -153,7 +153,7 @@ llvm::Optional<Header> Header::parse(llvm::StringRef text) {
 void ObjectFileBreakpad::Initialize() {
   PluginManager::RegisterPlugin(GetPluginNameStatic(),
                                 GetPluginDescriptionStatic(), CreateInstance,
-                                nullptr, GetModuleSpecifications);
+                                CreateMemoryInstance, GetModuleSpecifications);
 }
 
 void ObjectFileBreakpad::Terminate() {