--- mono/metadata/loader.c
+++ mono/metadata/loader.c
@@ -185,6 +185,9 @@
 	return TRUE;
 }
 
+char* mono_class_get_name_full (MonoClass *klass, gboolean include_ns, gboolean include_arity,
+                                gboolean nested_plus);
+
 static MonoMethod *
 find_method (MonoClass *klass, MonoClass *ic, const char* name, MonoMethodSignature *sig)
 {