From 200a5e0c9be41ab9ee8ec399664dc7a891ad47ba Mon Sep 17 00:00:00 2001
From: bangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Tue, 8 Jun 2010 14:52:59 +0000
Subject: [PATCH] Add necessary include guard.

git-svn-id: https://svn.dealii.org/trunk@21176 0785d39b-7218-0410-832d-ea1e28bc413d
---
 tests/lac/is_block_vector.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/lac/is_block_vector.cc b/tests/lac/is_block_vector.cc
index f46b6c4dec..406ab868db 100644
--- a/tests/lac/is_block_vector.cc
+++ b/tests/lac/is_block_vector.cc
@@ -19,6 +19,7 @@
 #include <fstream>
 #include <iomanip>
 #include <algorithm>
+#include <iostream>
 
 
 
-- 
2.39.5