[Bug 5365] DocumentImpl::importNode does not delete old attribute if its reference count equals zero.  Fixed by Frank Balluffi.
[Bug 5365] DocumentImpl::importNode does not delete old attribute if
its reference count equals zero.  Fixed by Frank Balluffi.


git-svn-id: 3ec853389310512053d525963cab269c063bb453@173396 13f79535-47bb-0310-9956-ffa450edef68

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