Unions-Alitalia OK Deal, Turnaround Plan  ROME (Reuters) - Clearing the way for a make-or-break  restructuring, unions at Italian airline Alitalia &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=AZPIa.MI target=/stocks/quickinfo/fullquote"&gt;AZPIa.MI&lt;/A&gt; on  Wednesday agreed to unemployment packages for around 3,700  employees which would be largely paid for by the state.