Add necessary header file.

git-svn-id: https://svn.dealii.org/trunk@7482 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/lac/include/lac/solver_richardson.h b/deal.II/lac/include/lac/solver_richardson.h
index 67ea691e9343b61c90e946ad940814ee7ce6bf53..794cffa84d5fc30ada740f2fb8d6375a81045f41 100644 (file)
--- a/deal.II/lac/include/lac/solver_richardson.h
+++ b/deal.II/lac/include/lac/solver_richardson.h
@@ -15,6 +15,7 @@
 
 
 #include <base/config.h>
+#include <base/logstream.h>
 #include <lac/solver.h>
 #include <lac/solver_control.h>
 #include <base/subscriptor.h>