hg: jdk/sandbox: 8206448: (fs) Extended attributes assumed to be enabled on ext3 (lnx)

[chris.hegarty at oracle.com]

Changeset: 523eedf01aa7
Author:    bpb
Date:      2018-07-16 10:58 -0700
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/523eedf01aa7

8206448: (fs) Extended attributes assumed to be enabled on ext3 (lnx)
Summary: Assume extended attributes are only explicitly enable on ext3
Reviewed-by: mbaesken, alanb

! src/java.base/linux/classes/sun/nio/fs/LinuxFileStore.java