- Fix an issue with parsing non 'xpd.' directives defining a string or an int
   - Make sure that XrdProofdTrace is always defined when loading the XrdproofdProtocol
     in a generic xrootd; fixes a crash in case of an error in parsing the directives


git-svn-id: http://root.cern.ch/svn/root/trunk@33410 27541ba8-7e3a-0410-8455-c3a389f83636