Fix compilation of gmsh support

Use std::ofstream rather than just ofstream.

diff --git a/source/gmsh/utilities.cc b/source/gmsh/utilities.cc
index d9abd324d49e76fb303352c1d9c9e112af4df291..18ea2ecb8cfdf094a33230259cf85861d017fa27 100644 (file)
--- a/source/gmsh/utilities.cc
+++ b/source/gmsh/utilities.cc
@@ -76,7 +76,7 @@ namespace Gmsh
 
     dealii::OpenCASCADE::write_IGES(boundary, iges_file_name);
 
-    ofstream geofile;
+    std::ofstream geofile;
     geofile.open(geo_file_name);
     geofile << "Merge \"" << iges_file_name << "\";" << std::endl
             << "Line Loop (2) = {1};" << std::endl