Fixed unvailable package error...

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rmetrics@5901 5d4a7380-5c0c-0410-b446-d4a5018c0119
git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rmetrics@5902 5d4a7380-5c0c-0410-b446-d4a5018c0119