Minor whitespace fixes.

opm/simulators/utils/ParallelCommunication.hpp

@@ -25,13 +25,14 @@
 
 namespace Opm
 {
-namespace Parallel {
+namespace Parallel
+{
     using MPIComm = typename Dune::MPIHelper::MPICommunicator;
 #if DUNE_VERSION_NEWER(DUNE_COMMON, 2, 7)
     using Communication = Dune::Communication<MPIComm>;
 #else
     using Communication = Dune::CollectiveCommunication<MPIComm>;
 #endif
-}
+} // namespace Parallel
 } // end namespace Opm
 #endif // OPM_PARALLELCOMMUNICATION_HEADER_INCLUDED