Re-enabled display of global sheet button

[pspp] / lib / gtksheet / gsheetmodel.c

diff --git a/lib/gtksheet/gsheetmodel.c b/lib/gtksheet/gsheetmodel.c
index e200b300fa3f38adb60599f4cc840cc97dc22d43..26a6be62cc9a4f47cd9002ce02fde5e43f7f4f78 100644 (file)
--- a/lib/gtksheet/gsheetmodel.c
+++ b/lib/gtksheet/gsheetmodel.c
@@ -464,6 +464,7 @@ g_sheet_model_get_column_subtitle (const GSheetModel *model,
                                   gint col)
 {
   g_return_val_if_fail (G_IS_SHEET_MODEL (model), NULL);
+  g_return_val_if_fail (col >= 0, NULL);
 
   if ( NULL == G_SHEET_MODEL_GET_IFACE (model)->get_column_subtitle)
     return NULL;