Fix a backward compat in FSFS: when writing repositories formats that don't support rep sharing, we must not store the uniquifiers.
Fix a backward compat in FSFS: when writing repositories formats that
don't support rep sharing, we must not store the uniquifiers.

* subversion/libsvn_fs_fs/transaction.c
  (set_uniquifier): Write uniquifiers only when supported.

Found by: Evgeny Kotkov <evgeny.kotkov{_AT_}visualsvn.com>

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1561426 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion