hg: jdk/sandbox: 8235834: IBM-943 charset encoder needs updating

[chris.hegarty at oracle.com]

Changeset: 9b33b25a7198
Author:    itakiguchi
Date:      2020-02-25 22:47 +0900
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/9b33b25a7198

8235834: IBM-943 charset encoder needs updating
Summary: Apply 34B003AF.RPMAP130 definition into encoder
Reviewed-by: naoto

+ make/data/charsetmapping/IBM943.c2b
! test/jdk/sun/nio/cs/TestIBMBugs.java