Add missing includes to step-17 and step-18

This commit fixes up a regression introduced with commit
  06a70bad3cbbcbb6abc51e12f29e3b5dfffb928a
that removed unnecessary includes of base/multithread_info.h. Both steps
need them for multithread_info.n_threads()

diff --git a/examples/step-17/step-17.cc b/examples/step-17/step-17.cc
index 9f072eea3519c73d66fb3b0d3c7e854a1404b79d..2f28c944d16c29616711c31256eb9465819d9953 100644 (file)
--- a/examples/step-17/step-17.cc
+++ b/examples/step-17/step-17.cc
@@ -24,6 +24,7 @@
 #include <deal.II/base/quadrature_lib.h>
 #include <deal.II/base/function.h>
 #include <deal.II/base/logstream.h>
+#include <deal.II/base/multithread_info.h>
 #include <deal.II/lac/vector.h>
 #include <deal.II/lac/full_matrix.h>
 #include <deal.II/lac/constraint_matrix.h>

diff --git a/examples/step-18/step-18.cc b/examples/step-18/step-18.cc
index ff5f5bb61928b9f4efe1316366305af6bd591d0e..533f4daa9f6d753a5de63680014504bfa0b5f90a 100644 (file)
--- a/examples/step-18/step-18.cc
+++ b/examples/step-18/step-18.cc
@@ -25,6 +25,7 @@
 #include <deal.II/base/quadrature_lib.h>
 #include <deal.II/base/function.h>
 #include <deal.II/base/logstream.h>
+#include <deal.II/base/multithread_info.h>
 #include <deal.II/base/conditional_ostream.h>
 #include <deal.II/base/utilities.h>
 #include <deal.II/lac/vector.h>