don't treat <del-flags> of flags that aren't present as an error, but still warn about it
don't treat <del-flags> of flags that aren't present as an error, but still warn about it

git-svn-id: bd2c15cabedda08daa94fbf2043b3f8588072843@1052 34294538-1d18-489e-82e9-bb8ff975a0eb

Distrotech/bakefile,Distrotech/bakefile,Distrotech/bakefile,Distrotech/bakefile