Fix a weird checkbox label in Calc’s recalculation prompt

GTK+’s dumb defaults strike again!

Similar to 7da61ec6.
Found while triaging tdf#120513.

Change-Id: I9ade695184cbcc9f1de9f11b20aa751754263586

sc/uiconfig/scalc/ui/recalcquerydialog.ui

@@ -31,6 +31,7 @@
             <property name="visible">True</property>
             <property name="can_focus">True</property>
             <property name="receives_default">False</property>
+            <property name="halign">start</property>
             <property name="use_underline">True</property>
             <property name="draw_indicator">True</property>
           </object>