fix add_subdirs scope bug
fix add_subdirs scope bug

tboox/xmake,tboox/xmake,tboox/xmake,waruqi/xmake,tboox/xmake,waruqi/xmake,waruqi/xmake,waruqi/xmake,waruqi/xmake,waruqi/xmake,tboox/xmake,waruqi/xmake,tboox/xmake,tboox/xmake