Do not convert a std::string to a std::string.

diff --git a/source/distributed/tria.cc b/source/distributed/tria.cc
index 9063b2253c98488e0c782aead13da26248d564e6..ff93d2e6b60a9c4c59d13a988896ad9b5eac79c5 100644 (file)
--- a/source/distributed/tria.cc
+++ b/source/distributed/tria.cc
@@ -2068,7 +2068,7 @@ namespace parallel
 
       if (this->my_subdomain == 0)
         {
-          std::string   fname = std::string(filename) + ".info";
+          std::string   fname = filename + ".info";
           std::ofstream f(fname);
           f << "version nproc n_attached_fixed_size_objs n_attached_variable_size_objs n_coarse_cells"
             << std::endl