1 files changed, 6 insertions, 2 deletions
diff --git a/FL/Fl_Plugin.H b/FL/Fl_Plugin.H
index 6342c7ec4..d2b1dd1bd 100644
--- a/FL/Fl_Plugin.H
+++ b/FL/Fl_Plugin.H
@@ -18,9 +18,12 @@
    Fl_Plugin class . */
 
 #ifndef Fl_Plugin_H
-#  define Fl_Plugin_H
+#define Fl_Plugin_H
 
-#  include "Fl_Preferences.H"
+#include "Fl_Preferences.H"
+
+#include <string>
+#include <vector>
 
 
 /**
@@ -83,6 +86,7 @@ public:
   static void removePlugin(Fl_Preferences::ID id);
   static int load(const char *filename);
   static int loadAll(const char *dirpath, const char *pattern=0);
+  static std::vector<std::string> klass_list();
 };