fix handling of files of unsupported type in the walk code
if a file was of unsupported type, it was considered as 'seen' while
walking. this way it was possible to have file in the dirstate not
yielded by the walk function.
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1 files, 1 changesets, 1 total revisions
changeset: 0:acb14030fe0a
tag: tip
user: test
date: Thu Jan 1 00:00:00 1970 +0000
summary: test
rolling back last transaction
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crosschecking files in changesets and manifests
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0 files, 0 changesets, 0 total revisions
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