remove some unnecessary flag changes in DO server
remove some unnecessary flag changes in DO server

git-svn-id: 765db44a9620ed55f4f8addfd3c14fe8cd57f6bb@4252 0fceea05-a30d-0410-8a8b-80ef821fb0a1

nanoant/Skim,nanoant/Skim,nanoant/Skim,nanoant/Skim,nanoant/Skim