Return void as we never assign the return value in R


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/tm@1355 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Minimize headers

Note: According to Kurt copyVector() is *not* in the R API.


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/tm@1356 edb9625f-4e0d-4859-8d74-9fd3b1da38cb