Fix Bug #26419 reported by Pedro Custodio: Mac OS partial paths were being...

Fix Bug #26419 reported by Pedro Custodio: Mac OS partial paths were being resolved using the Carbon file manager's concept of current directory, which defaults to the location of the executable; we now use getcwd where possible in order to pick up the cwd from any invoking shell.


git-svn-id: https://svn.apache.org/repos/asf/xerces/c/trunk@175705 13f79535-47bb-0310-9956-ffa450edef68