Speculative bug fix, TableBlock has static functions, no object.

When saving, delete_recursive tried to call down into an object.  That
object doesn't exist, and its trying to be recursive.  Instead have it
call it self statically.


git-svn-id: https://groke.mcmaster.ca/svn/grad/colin/trunk/TableTool@8510 57e6efec-57d4-0310-aeb1-a6c144bb1a8b

+TableBlock/delete_recursive.m

@@ -13,7 +13,7 @@ end
 LineChild = get( line_handle, 'LineChildren' ) ;
 if ~isempty( LineChild )
     for i=1:length( LineChild )
-        obj.delete_recursive( LineChild( i ) );
+        TableBlock.delete_recursive( LineChild( i ) );
     end
 else
     if get( line_handle, 'DstPortHandle' ) < 0