merge: change repo.wvfs.setflags calls to a new wctx[f].setflags function
As with previous changes in this series, this should be a no-op.
test-ancestor.py
test-check-execute.t
test-check-shbang.t
test-contrib-check-code.t
test-contrib-check-commit.t
test-ctxmanager.py
test-doctest.py
test-lrucachedict.py
test-run-tests.py
test-unified-test.t
test-xdg.t