RFR: 8268299: jvms tag produces incorrect URL

[Joe Darcy]

The @jls and @jvms taglet share most of their functionality.  A  JLS URL looks like

    https://docs.oracle.com/javase/specs/jls/se16/html/**jls**-8.html#jls-8.1

and a JVMS URL looks like

    https://docs.oracle.com/javase/specs/jvms/se16/html/**jvms**-4.html#jvms-4.3.2

The current taglet incorrectly uses "jls" in from the chapter for both JLS and JVMS URLs. The patch corrects this to use "jvms" for JVMS URLs.

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Commit messages:
 - 8268299: jvms tag produces incorrect URL

Changes: https://git.openjdk.java.net/jdk/pull/4381/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4381&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8268299
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4381.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4381/head:pull/4381

PR: https://git.openjdk.java.net/jdk/pull/4381