[foreign] RFR: Fix for Mac test failures after recent changes

[Sundararajan Athijegannathan]

Please review 
http://cr.openjdk.java.net/~sundar/rtld_default-mac_failures/webrev.00/

PS. I discussed this issue Maurizio privately. We tried few changes on 
Mac. The above patch is a variant that works on Mac.

Thanks,
-Sundar