* Fix USE_DLL option at order 2 (closes #64)

* Added a corresponding test


git-svn-id: https://www.dynare.org/svn/dynare/trunk@3236 ac1d8469-bf42-47a9-8791-bf33cf982152

ModFile.cc

@@ -287,7 +287,8 @@ ModFile::writeOutputFiles(const string &basename, bool clear_all
     mOutputFile << "options_.linear = 1;" << endl;
 
   mOutputFile << "options_.block=" << block << ";" << endl
-              << "options_.bytecode=" << byte_code << ";" << endl;
+              << "options_.bytecode=" << byte_code << ";" << endl
+              << "options_.use_dll=" << use_dll << ";" << endl;
 
   if (byte_code)
     mOutputFile << "if exist('bytecode') ~= 3" << endl