fix for resizecursor

- (void)_updateResizeCursor:(CPEvent)theEvent
{
	if(![_tableView allowsColumnResizing] || ![_tableView columnAutoresizingStyle])
	{	[[CPCursor arrowCursor] set];
		return
	}
    var mouseLocation = [self convertPoint:[theEvent locationInWindow] fromView:nil],    
        mouseOverLocation = CGPointMake(mouseLocation.x - 5, mouseLocation.y),
        overColumn = [self columnAtPoint:mouseOverLocation];
    
    if (overColumn >= 0 && CGRectContainsPoint([self _cursorRectForColumn:overColumn], mouseLocation))
    {
        var tableColumn = [[_tableView tableColumns] objectAtIndex:overColumn],
            width = [tableColumn width];
            
        if (width == [tableColumn minWidth])
            [[CPCursor resizeRightCursor] set];
        else if (width == [tableColumn maxWidth])
            [[CPCursor resizeLeftCursor] set];
        else
            [[CPCursor resizeLeftRightCursor] set];
    }
    else
        [[CPCursor arrowCursor] set];
}