hg: jdk/client: 8162989: jshell tool: /edit with external editor leaks files in /tmp

[robert.field at oracle.com]

Changeset: 745ea7d5039a
Author:    rfield
Date:      2017-12-11 21:56 -0800
URL:       http://hg.openjdk.java.net/jdk/client/rev/745ea7d5039a

8162989: jshell tool: /edit with external editor leaks files in /tmp
Reviewed-by: jlahoda

! src/jdk.internal.ed/share/classes/jdk/internal/editor/external/ExternalEditor.java
! test/langtools/jdk/jshell/CustomEditor.java
! test/langtools/jdk/jshell/ExternalEditorTest.java