This makes test-journal* pass on Python 3.5.
- skip-blame beacuse just b'' prefix
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| yuja | 
| hg-reviewers | 
This makes test-journal* pass on Python 3.5.
| Automatic diff as part of commit; lint not applicable. | 
| Automatic diff as part of commit; unit tests not applicable. | 
Unicode issue is handled by posix.py. The problem is mockgetuser()
returns a unicode string.
Thanks, I overlooked that and was unable to find what can cause trouble so just added an extra fsencode() call.