Fix compiler warning on gcc 5.4

diff --git a/src/ui/gui/psppire-import-assistant.c b/src/ui/gui/psppire-import-assistant.c
index 1b6cf570afd10b99ff95a2c1c34ccc4fec43694a..bb29d04993cd288425dfb0215a3b83f6705e850d 100644 (file)
--- a/src/ui/gui/psppire-import-assistant.c
+++ b/src/ui/gui/psppire-import-assistant.c
@@ -663,7 +663,7 @@ add_line_number_column (const PsppireImportAssistant *ia,
 
 
 static void
-set_model_on_treeview (const PsppireImportAssistant *ia, GtkWidget *tree_view, size_t first_line)
+set_model_on_treeview (PsppireImportAssistant *ia, GtkWidget *tree_view, size_t first_line)
 {
   GtkTreeModel *model = GTK_TREE_MODEL (psppire_empty_list_store_new (ia->line_cnt - first_line));