subrepo: clean up lingering bytes/str issues in svn support
Path encoding is a little suspect in here, but it's not worse than it
was when we were on Python 2 only.
Subversion subrepo tests now pass in Python 3.
Differential Revision: https://phab.mercurial-scm.org/D5774
BasedOnStyle: LLVM
IndentWidth: 8
UseTab: ForIndentation
BreakBeforeBraces: Linux
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
AllowShortBlocksOnASingleLine: false
AllowShortFunctionsOnASingleLine: false
IncludeCategories:
- Regex: '^<'
Priority: 1
- Regex: '^"'
Priority: 2