Tidy up a few \tn uses where the command name was actually an expl3 one


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@5311 de43f980-851b-0410-b2f7-c40aca1f87e0
Another case where the arg to \tn is wrong


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@5312 de43f980-851b-0410-b2f7-c40aca1f87e0