Stocks Seen Flat, Drug Makers Pressured  NEW YORK (Reuters) - Stock futures pointed to a flat market  open on Friday, with higher oil prices and weakness in drug  maker stocks offsetting better-than-expected earnings from  entertainment company Walt Disney Co. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=DIS.N target=/stocks/quickinfo/fullquote"&gt;DIS.N&lt;/A&gt;.