tdf#117857 fix to work "add Korean Ruby script"

fix to work "add Korean Ruby script" on "Hangul-Hanja" Conversion dialog
UI.
add "group" property of the GtkRadioButton object "simpleconversion"

Change-Id: I0ca3028a84c1c8386640fd97d9ed1fb5635c8423
Reviewed-on: https://gerrit.libreoffice.org/74105
Tested-by: Jenkins
Reviewed-by: Mark Hung <marklh9@gmail.com>
diff --git a/cui/uiconfig/ui/hangulhanjaconversiondialog.ui b/cui/uiconfig/ui/hangulhanjaconversiondialog.ui
index 08bb1b2..e6eba95 100644
--- a/cui/uiconfig/ui/hangulhanjaconversiondialog.ui
+++ b/cui/uiconfig/ui/hangulhanjaconversiondialog.ui
@@ -351,6 +351,7 @@
                        <property name="xalign">0</property>
                        <property name="active">True</property>
                        <property name="draw_indicator">True</property>
                        <property name="group">simpleconversion</property>
                      </object>
                      <packing>
                        <property name="left_attach">0</property>