tdf#124343 Make string translatable

Turn standard button translatable.

Change-Id: I042846b0377adade66eb9bb8b4a3b3bef829a9f4
Reviewed-on: https://gerrit.libreoffice.org/72061
Tested-by: Jenkins
Reviewed-by: Katarina Behrens <Katarina.Behrens@cib.de>

sw/uiconfig/swriter/ui/characterproperties.ui

@@ -38,7 +38,7 @@
             </child>
             <child>
               <object class="GtkButton" id="standard">
-                <property name="label" translatable="no">_Standard</property>
+                <property name="label" translatable="yes" context="characterproperties|standard">_Standard</property>
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
                 <property name="receives_default">True</property>