When adding the deprecation warning to doxygen, add also the message

[[Imported from SVN: r6772]]

doc/doxygen/Doxystyle

@@ -143,7 +143,7 @@ PREDEFINED             = DOXYGEN \
                          HAVE_MPI:=1 \
                          _DEBUG_ALLOCATOR_H:=1 \
                          "DUNE_DEPRECATED:=/** \deprecated */" \
-                         "DUNE_DEPRECATED_MSG():=/** \deprecated */"
+                         "DUNE_DEPRECATED_MSG(A):=/** \deprecated A */"
 
 @DOT_TRUE@HAVE_DOT               = YES