[foreign-memaccess+abi] RFR: 8265185: make sure all code snippets in jdk.incubator.foreign javadoc comments are proper

[Athijegannathan Sundararajan]

missed one change.

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Commit messages:
 - 8265185: make sure all code snippets in jdk.incubator.foreign javadoc comments are proper

Changes: https://git.openjdk.java.net/panama-foreign/pull/502/files
 Webrev: https://webrevs.openjdk.java.net/?repo=panama-foreign&pr=502&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8265185
  Stats: 2 lines in 1 file changed: 0 ins; 1 del; 1 mod
  Patch: https://git.openjdk.java.net/panama-foreign/pull/502.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-foreign pull/502/head:pull/502

PR: https://git.openjdk.java.net/panama-foreign/pull/502