Fix demo precompiled header
Fix demo precompiled header

Herbert77/BlocksKit,dachaoisme/BlocksKit,xinlehou/BlocksKit,zwaldowski/BlocksKit,hartbit/BlocksKit,z8927623/BlocksKit,demonnico/BlocksKit,shenhzou654321/BlocksKit,Gitub/BlocksKit,owers19856/BlocksKit,tattocau/BlocksKit,aipeople/BlocksKit,zhaoguohui/BlocksKit,anton-matosov/BlocksKit,Voxer/BlocksKit,HarrisLee/BlocksKit,ManagerOrganization/BlocksKit,coneman/BlocksKit,hq804116393/BlocksKit,TomBin647/BlocksKit,pomu0325/BlocksKit,zxq3220122/BlocksKit-1,pilot34/BlocksKit,yaoxiaoyong/BlocksKit,stevenxiaoyang/BlocksKit,AlexanderMazaletskiy/BlocksKit,yimouleng/BlocksKit