hg: jdk/sandbox: 8215966: GeneratePropertyPassword.sh uses bash syntax

[chris.hegarty at oracle.com]

Changeset: 6c3407eee455
Author:    phh
Date:      2018-12-28 15:19 -0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/6c3407eee455

8215966: GeneratePropertyPassword.sh uses bash syntax
Summary: Use "case" instead of "if" for the NT check to make sh happy.
Reviewed-by: dholmes
Contributed-by: merkel05 at gmail.com

! test/jdk/sun/management/jmxremote/bootstrap/GeneratePropertyPassword.sh