Avoid resolving the hostname of the server if a proxy is defined. Some networks don't allow DNS lookups behind the firewall and proxy.
Avoid resolving the hostname of the server if a proxy is defined. Some
networks don't allow DNS lookups behind the firewall and proxy.

* subversion/libsvn_ra_serf/serf.c
  (svn_ra_serf__open): don't resolve hostname if a proxy is configured.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@868755 13f79535-47bb-0310-9956-ffa450edef68

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