shell-app: Don't crash when trying to dispose
If we dispose a ShellApp that has windows left, then we'll crash when we remove the last window, as that frees and NULLs out app->running_state. https://bugzilla.gnome.org/show_bug.cgi?id=723197
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@ -1384,11 +1384,9 @@ shell_app_dispose (GObject *object)
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g_clear_object (&app->info);
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if (app->running_state)
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{
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while (app->running_state->windows)
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_shell_app_remove_window (app, app->running_state->windows->data);
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}
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while (app->running_state)
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_shell_app_remove_window (app, app->running_state->windows->data);
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/* We should have been transitioned when we removed all of our windows */
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g_assert (app->state == SHELL_APP_STATE_STOPPED);
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g_assert (app->running_state == NULL);
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