RFR: JDK-8262433: doclint: reference error in module jdk.incubator.foreign

[Jonathan Gibbons]

Please review a simple fix to ensure that a link reference is resolved and displayed correctly.

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Commit messages:
 - JDK-8262433: doclint: reference error in module jdk.incubator.foreign

Changes: https://git.openjdk.java.net/jdk/pull/2739/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=2739&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8262433
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2739.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2739/head:pull/2739

PR: https://git.openjdk.java.net/jdk/pull/2739