Fix out of sync error in EventDispatcher.
Fix out of sync error in EventDispatcher.

TukekeSoft/CocosSharp,haithemaraissia/CocosSharp,MSylvia/CocosSharp,zmaruo/CocosSharp,zmaruo/CocosSharp,netonjm/CocosSharp,netonjm/CocosSharp,mono/CocosSharp,TukekeSoft/CocosSharp,MSylvia/CocosSharp,hig-ag/CocosSharp,haithemaraissia/CocosSharp,mono/CocosSharp,hig-ag/CocosSharp