2008-03-18 Marcus Brinkmann <marcus@g10code.de>

• gpawidgets.c (gpa_expiry_frame_new): Replace editable GtkCombo

by uneditable GtkComboBox.
(gpa_expiry_frame_dont): Don't change the "after" widgets, just
make them desensitive.
(gpa_expiry_frame_at): Likewise.
(gpa_expiry_frame_after): Likewise (except make them sensitive).