From: Daniel Arndt <arndtd@ornl.gov>
Date: Sat, 6 Feb 2021 15:43:06 +0000 (-0500)
Subject: Fix missing header in sundials/n_vector.h
X-Git-Tag: v9.3.0-rc1~496^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F11700%2Fhead;p=dealii.git

Fix missing header in sundials/n_vector.h
---

diff --git a/include/deal.II/sundials/n_vector.h b/include/deal.II/sundials/n_vector.h
index fb82e06684..300e21ce46 100644
--- a/include/deal.II/sundials/n_vector.h
+++ b/include/deal.II/sundials/n_vector.h
@@ -21,6 +21,7 @@
 #ifdef DEAL_II_WITH_SUNDIALS
 #  include <sundials/sundials_nvector.h>
 
+#  include <functional>
 #  include <memory>
 
 DEAL_II_NAMESPACE_OPEN