Avoid C-style workaround in DataOutBase

diff --git a/include/deal.II/base/data_out_base.h b/include/deal.II/base/data_out_base.h
index 324721d10c574f7a959e0100ab3f00fc8b23089f..e17f86261b25f34b0702770b0635cc6ae8a7ec71 100644 (file)
--- a/include/deal.II/base/data_out_base.h
+++ b/include/deal.II/base/data_out_base.h
@@ -269,10 +269,9 @@ namespace DataOutBase
     /**
      * Patch indices of neighbors of the current patch. This is made available
      * for the OpenDX format that requires neighbor
-     * information for advanced output. For dim==0 we still allow one
-     * neighbor, to avoid compiler warnings about zero-sized arrays.
+     * information for advanced output.
      */
-    unsigned int neighbors[dim > 0 ? GeometryInfo<dim>::faces_per_cell : 1];
+    std::array<unsigned int, GeometryInfo<dim>::faces_per_cell> neighbors;
 
     /**
      * Number of this patch. Since we are not sure patches are always