[Dune] Please rebuild your dune-grid lib after updating

[Martin Nolte]

Hi everyone,

Somehow, todays changes made my code compile and link, but stall on execution.
The problem was gone after recompiling the dune-grid library.

Best,

Martin
-- 
Martin Nolte <nolte at mathematik.uni-freiburg.de>

Universität Freiburg                                   phone: +49-761-203-5642
Abteilung für angewandte Mathematik                    fax:   +49-761-203-5632
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79104 Freiburg, Germany