Request for review: 8005618 - TEST_BUG: java/lang/ProcessBuilder/Basic.java failing intermittently

[Rob McKenna]

Simple enough fix but to be honest I'm not sure any value will *always* 
work for the dead process waitFor(). Our testing infrastructure seems to 
glide past whatever we consider to be acceptable tolerances.

http://cr.openjdk.java.net/~robm/8005618/webrev.01/ 
<http://cr.openjdk.java.net/%7Erobm/8005618/webrev.01/>

    -Rob