testtreeview: Properly annotate a switch fallthrough

diff --git a/tests/testtreeview.c b/tests/testtreeview.c
index a5648c6be98378d81f6c02d4801b35578bc3ccb4..0715c449f47bcc98206eaae5bb1976735be9fc18 100644 (file)
--- a/tests/testtreeview.c
+++ b/tests/testtreeview.c
@@ -448,7 +448,7 @@ set_columns_type (GtkTreeView *tree_view, ColumnsType type)
       
 #endif
       
-      /* FALL THRU */
+      G_GNUC_FALLTHROUGH;
       
     case COLUMNS_ONE:
       rend = gtk_cell_renderer_text_new ();