interpreter: use light_ffi to force support for the `instance` extern methods

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/src/interpreter/dynamic_loading_ffi/dynamic_loading_ffi.nit b/src/interpreter/dynamic_loading_ffi/dynamic_loading_ffi.nit
index b507c9d..af848f6 100644 (file)
--- a/src/interpreter/dynamic_loading_ffi/dynamic_loading_ffi.nit
+++ b/src/interpreter/dynamic_loading_ffi/dynamic_loading_ffi.nit
@@ -125,10 +125,10 @@ private extern class CallArg `{ nit_call_arg* `}
        fun pointer=(value: Pointer) `{ self->value_Pointer = value; `}
 
        # The `Instance` held by this cell
-       fun instance: Instance `{ return (Instance)self->value_Pointer; `}
+       fun instance: Instance is light_ffi `{ return (Instance)self->value_Pointer; `}
 
        # The `Instance` held by this cell
-       fun instance=(value: Instance) `{ self->value_Pointer = value; `}
+       fun instance=(value: Instance) is light_ffi `{ self->value_Pointer = value; `}
 
        # The `NativeString` held by this cell
        fun native_string: NativeString `{ return (char*)self->value_Pointer; `}