The PPC architecture has unusually long filesystem type names, which
blows out the window when running at 800x600. Ellipsize long names in
the combo box, which means the GtkComboBoxtext has to be downgraded to a
GtkComboBox and the model and renderer handled ourselves.
Resolves: rhbz#1212615
(cherry picked from commit ba9f0d15a3bb2bce4651a6ab28b681fec008535b,
sort of)
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To view this pull request on github, visit
https://github.com/rhinstaller/anaconda/pull/255