Previous versions of xercesc would treat \directory\file.xml as a relative path.  Fix for compatiblity.
Previous versions of xercesc would treat \directory\file.xml as a relative path.  Fix for compatiblity.

git-svn-id: 3ec853389310512053d525963cab269c063bb453@314893 13f79535-47bb-0310-9956-ffa450edef68

ctapmex/xerces-c,colorer/xerces-c,colorer/xerces-c,Distrotech/xerces-c,Distrotech/xerces-c,colorer/xerces-c,Distrotech/xerces-c,ctapmex/xerces-c,ctapmex/xerces-c,Distrotech/xerces-c,Distrotech/xerces-c,ctapmex/xerces-c,colorer/xerces-c,colorer/xerces-c