RFR: 8330176: Typo in Linker javadoc

[Per Minborg]

This PR fixes a typo in the `Linker` documentation.

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Commit messages:
 - Fix typo in Linker javadoc

Changes: https://git.openjdk.org/jdk/pull/18781/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=18781&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8330176
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/18781.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18781/head:pull/18781

PR: https://git.openjdk.org/jdk/pull/18781