On the 'http-protocol-v2' branch: Using a NULL connection doesn't really work.
On the 'http-protocol-v2' branch: Using a NULL connection doesn't really work.

* subversion/libsvn_ra_serf/util.c
  (svn_ra_serf__discover_vcc): Use the default connection if 'conn' is
    NULL (you know, like the docstring says we will).


git-svn-id: cbe280b51a1a439dffd90e0e5530c9d00cfa6600@875876 13f79535-47bb-0310-9956-ffa450edef68

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