Avoid a C++11ism.

diff --git a/tests/deal.II/error_estimator_02.cc b/tests/deal.II/error_estimator_02.cc
index a1ad203e30c51738b572274b7f68bbf9a4965a60..81e9cb364ffe9c110bd0e5c40670a9f45cfa73ff 100644 (file)
--- a/tests/deal.II/error_estimator_02.cc
+++ b/tests/deal.II/error_estimator_02.cc
@@ -241,7 +241,7 @@ void output(const std::string          name,
                            std::string("error"));
   data_out.build_patches ();
 
-  std::ofstream output (name);
+  std::ofstream output (name.c_str());
   data_out.write_vtu (output);
 }