Fix delete-change conflict detection (at file level)

Removing a file locally and changing it remotely should be seen as a
conflict by EMF Compare, but since we were using the local traversal
(empty since the file has been removed) as starting point, we were not
able to resolve the remote files either, ending up in an empty
comparison because of missing file variants.

Change-Id: I279ea3cd3b30fa65cc5a244917685e76d42e0f81
1 file changed