add macro to make Xcode 4.6 happy
add macro to make Xcode 4.6 happy

iFallen/SIAlertView,NikolayShubenkovProgSchool/SIAlertView,Gwion101/SIAlertView,peatiscoding/SIAlertView,AlexanderMazaletskiy/SIAlertView,munchios1/SIAlertView,Appsido/SIAlertView,mrdaios/SIAlertView,kennygunie/SIAlertView,dxt/SIAlertView,Suninus/SIAlertView,Sumi-Interactive/SIAlertView,jabarier/SIAlertView,zfpan1981/SIAlertView,OnTheWay1988/SIAlertView,q231950/SIAlertView,tattn/SIAlertView,cnbin/SIAlertView,theill/SIAlertView,GhostClock/SIAlertView,siburb/SIAlertView,bfeher/SIAlertView,reekris/SIAlertView,ChatSecure/SIAlertView,shenyuan000/SIAlertView,angu/SIAlertView,afehners/SIAlertView,hejunbinlan/SIAlertView