hg: jdk9/sandbox/jdk: 8166890: JShell: locks forever when input is piped

[chris.hegarty at oracle.com]

Changeset: b909daf8fdbc
Author:    jlahoda
Date:      2016-10-11 12:33 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/b909daf8fdbc

8166890: JShell: locks forever when input is piped
Summary: Only read cursor position if connected to a terminal.
Reviewed-by: rfield, shinyafox

! src/jdk.internal.le/share/classes/jdk/internal/jline/console/ConsoleReader.java