Add missing virtual destructor.

diff --git a/src/lib/film_state.h b/src/lib/film_state.h
index 43df2ba8fe067965d42ad10d2448df2182013049..aa427fcad2ccd5a8bdcb3a17e67e440796bc80a8 100644 (file)
--- a/src/lib/film_state.h
+++ b/src/lib/film_state.h
@@ -76,6 +76,8 @@ public:
                , _dirty (false)
        {}
 
+       virtual ~FilmState () {}
+
        std::string file (std::string f) const;
        std::string dir (std::string d) const;