remember environment variables
remember environment variables

git-svn-id: c79564a500b7e594ddd40d64e0429b877c6247ac@504 1529d479-2984-44b7-a8f3-1f17ffde0828

Distrotech/zziplib,Distrotech/zziplib,Distrotech/zziplib,Distrotech/zziplib