Prefer curl netaccessor over cfurl netaccessor on Mac OS X
Prefer curl netaccessor over cfurl netaccessor on Mac OS X

git-svn-id: 3ec853389310512053d525963cab269c063bb453@452528 13f79535-47bb-0310-9956-ffa450edef68

AaronNGray/xerces,AaronNGray/xerces,AaronNGray/xerces,AaronNGray/xerces