[dictgen] Do not create stray temp files:
[dictgen] Do not create stray temp files:

createUniqueFile actually *creates* the file. Changing
their name later will not remove the created file. Instead,
create the final file directly.

olifre/root,olifre/root,root-mirror/root,root-mirror/root,root-mirror/root,olifre/root,root-mirror/root,olifre/root,olifre/root,root-mirror/root,root-mirror/root,root-mirror/root,olifre/root,root-mirror/root,root-mirror/root,olifre/root,olifre/root,olifre/root,olifre/root,root-mirror/root,olifre/root,root-mirror/root