Fixing Cocos so it works on VS2013 again.
Fixing Cocos so it works on VS2013 again.

Summary:
Fixing Cocos so it works on VS2013 again.
shared_ptr is defined in <memory>, not <functional>, and thus we need both imports to make vs2012 compile.
(<functional> in vs2015 imports <memory>, but not in vs2012)

Test Plan: Jenker!

Reviewers: #devtools_in-progress, Marco.Williams

Reviewed By: #devtools_in-progress, Marco.Williams

Differential Revision: https://phab.playfabdev.com/D2320

JoshuaStrunk/SDKGenerator,JoshuaStrunk/SDKGenerator,JoshuaStrunk/SDKGenerator,PlayFab/SDKGenerator,PlayFab/SDKGenerator,JoshuaStrunk/SDKGenerator,JoshuaStrunk/SDKGenerator,JoshuaStrunk/SDKGenerator,JoshuaStrunk/SDKGenerator,PlayFab/SDKGenerator,PlayFab/SDKGenerator,PlayFab/SDKGenerator,PlayFab/SDKGenerator,PlayFab/SDKGenerator,JoshuaStrunk/SDKGenerator,JoshuaStrunk/SDKGenerator,PlayFab/SDKGenerator,JoshuaStrunk/SDKGenerator,PlayFab/SDKGenerator