hg: jdk-updates/jdk11u-dev: 8213618: IBM970 charset has missing entry and remove unexpected entries

[christoph.langer at sap.com]

Changeset: cd14f3f1d702
Author:    itakiguchi
Date:      2018-12-02 11:09 -0800
URL:       http://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/cd14f3f1d702

8213618: IBM970 charset has missing entry and remove unexpected entries
Reviewed-by: srl, martin

! make/data/charsetmapping/IBM970.c2b
! make/data/charsetmapping/IBM970.map
! test/jdk/sun/nio/cs/TestIBMBugs.java