RFR: 8275003: Suppress warnings on non-serializable non-transient instance fields in windows mscapi

[Joe Darcy]

Analogous to other recent cleanups like JDK-8274393, suppress warnings for serialization-related issues in the windows mscapi code.

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Commit messages:
 - Applease jcheck.
 - 8275003: Suppress warnings on non-serializable non-transient instance fields in windows mscapi

Changes: https://git.openjdk.java.net/jdk/pull/5879/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5879&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8275003
  Stats: 5 lines in 2 files changed: 2 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5879.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5879/head:pull/5879

PR: https://git.openjdk.java.net/jdk/pull/5879