[start.hh] Add missing space in output.

git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@9485 2fb0f335-1f38-0410-981e-8018bf24f1b0

dumux/common/start.hh

@@ -295,9 +295,9 @@ int start_(int argc,
         // this must be an error. Otherwise proceed.
         if (ParameterTree::tree().hasKey("ParameterFile"))
         {
-            std::cout << "\n\t -> Could not open file"
+            std::cout << "\n\t -> Could not open file '"
                       << parameterFileName
-                      << ". <- \n\n\n\n";
+                      << "'. <- \n\n\n\n";
             usage(argv[0], usageTextBlock());
             return 1;
         }