Correct warning in linux build

[David Hill]

Chris, Kevin,
    Please review the fix for a problem that Chris stumbled on. The one line diff is in the JBS.
This will teach me to test the side branches when I change the logging level :-) (actually, I think I switched from a print)

https://bugs.openjdk.java.net/browse/JDK-8172219


-- 
David Hill<David.Hill at Oracle.com>
Java Embedded Development

"A man's feet should be planted in his country, but his eyes should survey the world."
-- George Santayana (1863 - 1952)