Fixes a crash when running neko
Fixes a crash when running neko

I was using Neko to quickly get acquainted with the flow of the sample app, and it was crashing due to uninitialized values.
This fixes it.
grisevg/extension-iap,grisevg/extension-iap,openfl/extension-iap,openfl/extension-iap,openfl/extension-iap