Don't use deprecated NSTableView selectRow:byExtendingSelection: method.

Use selectRowIndexes:byExtendingSelection: instead even if this means that we
need to create a trivial NSIndexSet containing a single index only.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66537 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/osx/cocoa/listbox.mm

@@ -444,7 +444,8 @@ void wxListWidgetCocoaImpl::ListSetSelection( unsigned int n, bool select, bool
 {
     // TODO
     if ( select )
-        [m_tableView selectRow: n byExtendingSelection:multi];
+        [m_tableView selectRowIndexes:[NSIndexSet indexSetWithIndex:n]
+		     byExtendingSelection:multi];
     else
         [m_tableView deselectRow: n];