From: Martin Kronbichler <kronbichler@lnm.mw.tum.de>
Date: Tue, 31 Oct 2017 14:40:29 +0000 (+0100)
Subject: Avoid warning.
X-Git-Tag: v9.0.0-rc1~843^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0a07e12d7737b990605fcd5ad130daffe3f83ee4;p=dealii.git

Avoid warning.
---

diff --git a/include/deal.II/numerics/data_out_dof_data.templates.h b/include/deal.II/numerics/data_out_dof_data.templates.h
index 0777a9c96f..37b44a5463 100644
--- a/include/deal.II/numerics/data_out_dof_data.templates.h
+++ b/include/deal.II/numerics/data_out_dof_data.templates.h
@@ -322,6 +322,7 @@ namespace internal
     double get_component (const NumberType         value,
                           const ComponentExtractor extract_component)
     {
+      (void)extract_component;
       static_assert (numbers::NumberTraits<NumberType>::is_complex == false,
                      "This function must not be called for complex-valued data types.");
       Assert (extract_component == ComponentExtractor::real_part,