no need to initialize symtree in initialize(), the ex default ctor works fine

diff --git a/ginac/function.pl b/ginac/function.pl
index 6b25c70df7203cba947af9518ff7019079f4136c..312640fe7c31d8b89b95fb47bb763148273acc8e 100755 (executable)
--- a/ginac/function.pl
+++ b/ginac/function.pl
@@ -557,7 +557,6 @@ void function_options::initialize()
        print_use_exvector_args = false;
        use_remember = false;
        functions_with_same_name = 1;
-       symtree = 0;
 }
 
 function_options & function_options::set_name(std::string const & n,