demux: dash: missing config.h

modules/demux/dash/mpd/Url.hpp

@@ -20,6 +20,10 @@
 #ifndef URL_HPP
 #define URL_HPP
 
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
 #include <string>
 #include <vector>
 #include <vlc_common.h>