References: bsc#1005861
Notes: Just allow the GtkComboBox to be the width of the dialog
so you can see more of the operating system name.

Index: virt-manager-1.4.0/ui/create.ui
===================================================================
--- virt-manager-1.4.0.orig/ui/create.ui
+++ virt-manager-1.4.0/ui/create.ui
@@ -1741,7 +1741,6 @@ is not yet supported.&lt;/small&gt;</pro
                                       <packing>
                                         <property name="left_attach">1</property>
                                         <property name="right_attach">2</property>
-                                        <property name="x_options">GTK_FILL</property>
                                         <property name="y_options"/>
                                       </packing>
                                     </child>