override operator new cause error when export Constructor

[greyhu]

If a class override the operator new(this is normal when using some kind of memory pool),when export the Constructor, it'll triggeran error:
'operator new' : function does not take 2 arguments

To be sure to use the global allocation function,the placement new should explicit use ::new.

patch:
CppInvoke.h
static T* call(void* mem, TUPLE& args)
{
-return new (mem) T(std::get(args).value()...);
+return ::new (mem) T(std::get(args).value()...);
}

[SteveKChiu]

Thanks for pointing this out, I will get this fixed soon.