[PATCH] JDK-8054565: FilterOutputStream.close may throw IOException if called twice and underlying flush or close fails

[Chris Hegarty]

To close the loop; find below the complete reviewed changes.

   http://cr.openjdk.java.net/~chegar/8054565/webrev.00/webrev/

Since there is a minor spec change, I will submit a CCC to cover it. 
Unless any unforeseen issues arise from the CCC, you can assume that 
this is final.

-Chris.