Rename aux for \(pdf)strcmp emulation in LuaTeX to reflect nature

As this is now LuaTeX-only, there is also an additional test file variation


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@5011 de43f980-851b-0410-b2f7-c40aca1f87e0
Make TYPE long in one place


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@5012 de43f980-851b-0410-b2f7-c40aca1f87e0