Merge branch 'ds/diff-lazy-fetch-with-name-only-fix'

Running "git diff" with "--name-only" and other options that allows us not to look at the blob contents, while objects that are lazily fetched from a promisor remote, caused use-after-free, which has been corrected. * ds/diff-lazy-fetch-with-name-only-fix: diff: avoid segfault with freed entries