hg: jdk9/hs/hotspot: 8159893: StringTable cleaning log line lacks the GC ID prefix

[stefan.karlsson at oracle.com]

Changeset: f3d84276e127
Author:    stefank
Date:      2016-06-21 14:00 +0200
URL:       http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/f3d84276e127

8159893: StringTable cleaning log line lacks the GC ID prefix
Reviewed-by: pliden, jmasa

! src/share/vm/logging/logPrefix.hpp
! test/gc/g1/TestStringSymbolTableStats.java