hg: jdk/submit: 8214776: Avoid GCC 8.X strncpy() errors in JFR code

[sgehwolf at redhat.com]

Changeset: 7b1117b91eb8
Author:    sgehwolf
Date:      2018-12-11 09:59 +0100
URL:       http://hg.openjdk.java.net/jdk/submit/rev/7b1117b91eb8

8214776: Avoid GCC 8.X strncpy() errors in JFR code
Reviewed-by: mgronlun, sgehwolf
Contributed-by: Simon Tooke <stooke at redhat.com>

! src/hotspot/share/jfr/periodic/jfrOSInterface.cpp
! src/hotspot/share/jfr/recorder/checkpoint/types/jfrThreadGroup.cpp
! src/hotspot/share/jfr/recorder/repository/jfrChunkState.cpp
! src/hotspot/share/jfr/recorder/repository/jfrRepository.cpp