RFR: 8364129: Rename libwixhelper

[Alexey Semenyuk]

Rename "libwixhelper" in "libmsica".

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Commit messages:
 - 8364129: Rename libwixhelper

Changes: https://git.openjdk.org/jdk/pull/26682/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26682&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8364129
  Stats: 11 lines in 5 files changed: 0 ins; 0 del; 11 mod
  Patch: https://git.openjdk.org/jdk/pull/26682.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26682/head:pull/26682

PR: https://git.openjdk.org/jdk/pull/26682