RFR: Fix zero fail to build in icedtea7-head...

[Chris Phillips]

Attached patch is a backport of Roman's jdk8 fixes to Icedtea7-head.

Please review.

Cheers!
Chris
 
PS
Webrev is here:
  http://integral-portal.lgonqn.org/temp/ChrisPhi/it7-h-20121212_zero/


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