Liberty Makes Nice with News Corp.  NEW YORK (Reuters) - Liberty Media Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=L.N target=/stocks/quickinfo/fullquote"&gt;L.N&lt;/A&gt; on Tuesday  said a share-swap transaction that would nearly double its  voting power in News Corp. was a "friendly" move, a day after  News Corp. announced a poison pill to fend off any hostile bid  from the U.S. media conglomerate.