vala: Make Callable derive from Symbol

This is a better choice as common base-class.

diff --git a/vala/valacallable.vala b/vala/valacallable.vala
index b8bf036322c890eccf033be884725f05972604e7..406c2bc497850d59ef8620d63df522574c8064bc 100644 (file)
--- a/vala/valacallable.vala
+++ b/vala/valacallable.vala
@@ -25,7 +25,7 @@ using GLib;
 /**
  * Interface for all callable types.
  */
-public interface Vala.Callable : CodeNode {
+public interface Vala.Callable : Symbol {
        /**
         * The return type of this callable.
         */