[foreign-jextract] RFR: 8271922: After var handle support for boolean and MemoryAddress carrier jextract fails to compile

[Athijegannathan Sundararajan]

added BOOL case

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Commit messages:
 - 8271922: After var handle support for boolean and MemoryAddress carrier jextract fails to compile

Changes: https://git.openjdk.java.net/panama-foreign/pull/574/files
 Webrev: https://webrevs.openjdk.java.net/?repo=panama-foreign&pr=574&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8271922
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/panama-foreign/pull/574.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-foreign pull/574/head:pull/574

PR: https://git.openjdk.java.net/panama-foreign/pull/574