Fix compiler warning

diff --git a/src/ui/gui/psppire-output-view.c b/src/ui/gui/psppire-output-view.c
index e4617e766fde9b31fc8539e2b9654b66b2013574..d1621ba91d363de599a6d521a42d7d532b7eedf2 100644 (file)
--- a/src/ui/gui/psppire-output-view.c
+++ b/src/ui/gui/psppire-output-view.c
@@ -170,7 +170,8 @@ create_drawing_area (struct psppire_output_view *view,
   if (0)
     {
       GdkRGBA green = {0, 1, 0, 1};
-      gtk_widget_override_background_color (view->output, GTK_STATE_NORMAL, &green);
+      gtk_widget_override_background_color (GTK_WIDGET (view->output),
+                                           GTK_STATE_NORMAL, &green);
       GdkRGBA red = {1, 0, 0, 1};
       gtk_widget_override_background_color (drawing_area, GTK_STATE_NORMAL, &red);
     }