Fix logic bug introduced in r27613.
Fix logic bug introduced in r27613.

Found by: glasser

* subversion/libsvn_ra_svn/client.c
  (ra_svn_has_capability): Don't fall through to error condition when
    what we really want to do is set *has to false.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@867718 13f79535-47bb-0310-9956-ffa450edef68

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