Bug fix on missing iostream include

git-svn-id: https://svn.dealii.org/trunk@22660 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/include/deal.II/lac/petsc_matrix_base.h b/deal.II/include/deal.II/lac/petsc_matrix_base.h
index 6d5677afa1b7a3f74786981b2a07f0d13ed6e838..6d8f51c67166a14712f2a43706a89159107dd6cc 100644 (file)
--- a/deal.II/include/deal.II/lac/petsc_matrix_base.h
+++ b/deal.II/include/deal.II/lac/petsc_matrix_base.h
@@ -24,6 +24,8 @@
 
 #  include <petscmat.h>
 #  include <base/std_cxx1x/shared_ptr.h>
+
+#  include <iostream>
 #  include <vector>
 #  include <cmath>