The filter combo box in the file chooser was stretching to match
the height of the extra widgets next to it. Since, stretched combo
boxes are not a pretty sight, make it stick to the top instead.
Patch by Caolán McNamara,
https://bugzilla.gnome.org/show_bug.cgi?id=751227
<property name="focus_on_click">False</property>
<property name="entry_text_column">0</property>
<property name="id_column">1</property>
+ <property name="valign">start</property>
<signal name="changed" handler="filter_combo_changed" swapped="no"/>
</object>
<packing>