fix multiple parameter loop tests

diff --git a/source/base/parameter_handler.cc b/source/base/parameter_handler.cc
index 5ee5b461a03df5392f71c17fc2ffd32ad2a3b197..c2827a503a774327ff9b69be8a9eb40ad82b4154 100644 (file)
--- a/source/base/parameter_handler.cc
+++ b/source/base/parameter_handler.cc
@@ -1394,7 +1394,7 @@ bool ParameterHandler::read_input (const std::string &filename,
           file_contents.push_back('\n');
         }
 
-      return read_input_from_string (file_contents.c_str());
+      return ParameterHandler::read_input_from_string (file_contents.c_str());
     }
   catch (const PathSearch::ExcFileNotFound &)
     {