fdo#38895 fix toggling of numbering separator on Autocaption page

Only enable the Edit box if the overall option is enabled

Change-Id: Ica0f973d22b89a37bd690c285d7cc0ae5204b7a8
Reviewed-on: https://gerrit.libreoffice.org/1272Tested-by: Caolán McNamara <caolanm@redhat.com>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>

sw/source/ui/config/optload.cxx

@@ -819,9 +819,17 @@ IMPL_LINK_NOARG_INLINE_END(SwCaptionOptPage, SelectHdl)
 IMPL_LINK( SwCaptionOptPage, OrderHdl, ListBox*, pBox )
 {
     DrawSample();
+
+    SvTreeListEntry* pSelEntry = aCheckLB.FirstSelected();
+    sal_Bool bChecked = sal_False;
+    if (pSelEntry)
+    {
+        bChecked = aCheckLB.IsChecked((sal_uInt16)aCheckLB.GetModel()->GetAbsPos(pSelEntry));
+    }
+
     sal_Int32 nPos = pBox->GetSelectEntryPos();
-    aNumberingSeparatorFT.Enable( nPos == 1 );
-    aNumberingSeparatorED.Enable( nPos == 1 );
+    aNumberingSeparatorFT.Enable( bChecked && nPos == 1 );
+    aNumberingSeparatorED.Enable( bChecked && nPos == 1 );
     return 0;
 }