Add missing header to test

diff --git a/tests/matrix_free/fe_nothing_01.cc b/tests/matrix_free/fe_nothing_01.cc
index c821d858ec9df0482efa945c78ce34bbac7c3831..aa46d2d31d47fa88c611fb7b8355f35510b8a59b 100644 (file)
--- a/tests/matrix_free/fe_nothing_01.cc
+++ b/tests/matrix_free/fe_nothing_01.cc
@@ -19,6 +19,7 @@
 // dofs
 
 #include <deal.II/fe/fe_nothing.h>
+#include <deal.II/fe/fe_q.h>
 #include <deal.II/fe/fe_system.h>
 
 #include <deal.II/grid/grid_generator.h>