hg: jdk9/dev/langtools: 8173073: jshell tool: blank lines removed from multi-line snippets

[robert.field at oracle.com]

Changeset: 9ef626c32db6
Author:    rfield
Date:      2017-01-20 11:05 -0800
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/9ef626c32db6

8173073: jshell tool: blank lines removed from multi-line snippets
Reviewed-by: jlahoda

! src/jdk.jshell/share/classes/jdk/internal/jshell/tool/JShellTool.java
! test/jdk/jshell/ToolSimpleTest.java