tests: fix another redefine of Ecore_Cb build break

diff --git a/src/tests/eolian_cxx/callback.eo b/src/tests/eolian_cxx/callback.eo
index ea11cf9..1129420 100644 (file)
--- a/src/tests/eolian_cxx/callback.eo
+++ b/src/tests/eolian_cxx/callback.eo
@@ -1,4 +1,4 @@
-type @extern Ecore_Cb: __undefined_type;
+import ecore_types;
 
 class Callback (Eo.Base)
 {