bugfix

[[Imported from SVN: r1329]]

fem/transfer/mgtransfer.hh

 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
 #ifndef DUNE_MG_TRANSFER_HH
-#define DUNE_MG_TRANSFER_HH_
+#define DUNE_MG_TRANSFER_HH
 
 #include <dune/fem/feop/spmatrix.hh>