win8 phone build fixed.
win8 phone build fixed.

mono/CocosSharp,netonjm/CocosSharp,hig-ag/CocosSharp,mono/CocosSharp,MSylvia/CocosSharp,haithemaraissia/CocosSharp,hig-ag/CocosSharp,zmaruo/CocosSharp,zmaruo/CocosSharp,netonjm/CocosSharp,TukekeSoft/CocosSharp,mono/cocos2d-xna,MSylvia/CocosSharp,haithemaraissia/CocosSharp,TukekeSoft/CocosSharp,mono/cocos2d-xna