hg: jdk9/dev/jdk: 8080115: (fs) Crash in libgio when calling Files.probeContentType(path) from parallel threads

[brian.burkhalter at oracle.com]

Changeset: fe002a83ba79
Author:    bpb
Date:      2015-08-07 07:10 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/jdk/rev/fe002a83ba79

8080115: (fs) Crash in libgio when calling Files.probeContentType(path) from parallel threads
Summary: Make GnomeFileTypeDetector.probeGio() synchronized and add a regression test based on the test source included in JDK-8080115.
Reviewed-by: chegar

! src/java.base/unix/classes/sun/nio/fs/GnomeFileTypeDetector.java
+ test/java/nio/file/Files/probeContentType/ParallelProbes.java