X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Foutput%2Foutput-item.h;h=cac3d471797d689da1a780cc938cde8e56c55484;hb=5d1c47b1ef2d392ce223606139d45eac749d4c80;hp=475504acb51ffcabfb2510ee27464b45af5b7c15;hpb=672776c201a00e1a667d37a957e7d2211300d48a;p=pspp

diff --git a/src/output/output-item.h b/src/output/output-item.h
index 475504acb5..cac3d47179 100644
--- a/src/output/output-item.h
+++ b/src/output/output-item.h
@@ -109,7 +109,7 @@ struct output_item
     char *cached_label;
   };
 
-struct output_item *output_item_ref (const struct output_item *);
+struct output_item *output_item_ref (const struct output_item *) WARN_UNUSED_RESULT;
 void output_item_unref (struct output_item *);
 bool output_item_is_shared (const struct output_item *);
 struct output_item *output_item_unshare (struct output_item *);