data/ui/preferences.ui: Hopefully fix some size allocation issues

Author: kaiw

data/ui/preferences.ui

@@ -1275,6 +1275,7 @@
                                 <property name="xalign">0</property>
                                 <property name="label" translatable="yes">When performing directory comparisons, you may filter out files and directories by name. Each pattern is a list of shell style wildcards separated by spaces.</property>
                                 <property name="wrap">True</property>
+                                <property name="max-width-chars">40</property>
                               </object>
                               <packing>
                                 <property name="expand">False</property>
@@ -1287,7 +1288,7 @@
                             </child>
                           </object>
                           <packing>
-                            <property name="expand">False</property>
+                            <property name="expand">True</property>
                             <property name="fill">True</property>
                             <property name="position">1</property>
                           </packing>
@@ -1460,6 +1461,7 @@
                                 <property name="label" translatable="yes">When performing file comparisons, you may ignore certain types of changes. Each pattern here is a python regular expression which replaces matching text with the empty string before comparison is performed. If the expression contains groups, only the groups are replaced. See the user manual for more details.</property>
                                 <property name="use_markup">True</property>
                                 <property name="wrap">True</property>
+                                <property name="max-width-chars">40</property>
                               </object>
                               <packing>
                                 <property name="expand">False</property>
@@ -1472,7 +1474,7 @@
                             </child>
                           </object>
                           <packing>
-                            <property name="expand">False</property>
+                            <property name="expand">True</property>
                             <property name="fill">True</property>
                             <property name="position">1</property>
                           </packing>