From: Martin Kronbichler <martin.kronbichler@it.uu.se>
Date: Sun, 20 Feb 2022 17:11:37 +0000 (+0100)
Subject: Add include file missing after re-structuring
X-Git-Tag: v9.4.0-rc1~453^2~2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bb06592cbf6b9deec73944b6c63c7ee0ea49464d;p=dealii.git

Add include file missing after re-structuring
---

diff --git a/examples/step-85/step-85.cc b/examples/step-85/step-85.cc
index a3a8e8be15..2a6c035af2 100644
--- a/examples/step-85/step-85.cc
+++ b/examples/step-85/step-85.cc
@@ -42,6 +42,7 @@
 #include <deal.II/hp/q_collection.h>
 
 #include <deal.II/lac/affine_constraints.h>
+#include <deal.II/lac/dynamic_sparsity_pattern.h>
 #include <deal.II/lac/full_matrix.h>
 #include <deal.II/lac/precondition.h>
 #include <deal.II/lac/solver_cg.h>