Fix a non-portable temp file creation in SVN::Ra::Callback.  This triggers error on win32 ra_dav.
Fix a non-portable temp file creation in SVN::Ra::Callback.  This
triggers error on win32 ra_dav.

Patch by: Autrijus Tang <autrijus@autrijus.org>

* perl/native/Ra.pm
  (SVN::Ra::Callback::open_tmp_file) Create tmp file in a portable manner.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@850785 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion