[Dune] dune-grid fails at vertexordertest

[Christoph Grüninger]

Hi Jö,
the vertexordertest works with GCC 4.6 on x64 (amd64). The failure
occured with GCC 4.7 on i386.

Bye
Christoph

-- 
People who are more than casually interested in computers should have
at least some idea of what the underlying hardware is like. Otherwise
the programs they write will be pretty weird.         -- Donald Knuth