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app: do not update a finalized dialog.

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When the about dialog is destroyed, the weak link will be nullified.
Don't do anything then in our handler.

(cherry picked from commit cc9a15de97)
This commit is contained in:
Jehan
2020-02-11 21:40:28 +01:00
parent c5c67b9d61
commit bb72b2f155
1 changed files with 3 additions and 0 deletions
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3
app/dialogs/about-dialog.c
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@ -774,6 +774,9 @@ about_dialog_last_release_changed (GimpCoreConfig *config,
g_signal_handlers_disconnect_by_func (config, g_signal_handlers_disconnect_by_func (config,
(GCallback) about_dialog_last_release_changed, (GCallback) about_dialog_last_release_changed,
dialog); dialog);
if (! dialog->dialog)
return;
if (dialog->update_frame) if (dialog->update_frame)
{ {
gtk_widget_destroy (dialog->update_frame); gtk_widget_destroy (dialog->update_frame);