hg: jdk-updates/jdk11u-dev: 8220281: IBM-858 alias name is missing on IBM00858 charset

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Changeset: 32cf83827c4e
Author:    itakiguchi
Date:      2019-03-15 00:49 +0900
URL:       http://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/32cf83827c4e

8220281: IBM-858 alias name is missing on IBM00858 charset
Summary: Add aliases into IBM charsets
Reviewed-by: naoto

! make/data/charsetmapping/charsets
! test/jdk/sun/nio/cs/TestIBMBugs.java