fix usage of skip_undefined when reading another file via input command

diff --git a/source/base/parameter_handler.cc b/source/base/parameter_handler.cc
index 8dd78785961519842b893bb19ae148cc6163e823..050c942f6c8be1b253090b5ad937ba387ee454e0 100644 (file)
--- a/source/base/parameter_handler.cc
+++ b/source/base/parameter_handler.cc
@@ -2253,7 +2253,7 @@ ParameterHandler::scan_line(std::string        line,
                   ExcCannotOpenIncludeStatementFile(current_line_n,
                                                     input_filename,
                                                     line));
-      parse_input(input);
+      parse_input(input, "input file", "", skip_undefined);
     }
   else
     {