gtk_combo_box_entry_new_text in GTK2 < 2.4

[Kevin DeKorte <kdekorte yahoo com>]

I've written some code that uses gtk_combo_box_entry_new_text, but I
have some people that are using gtk2 < 2.4 (where
gtk_combo_box_entry_new_text appears). Any idea how I would implement
this functionality in gtk2 2.2?

Thanks,

Kevin
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