[jdk11u-dev] RFR: 8318983: Fix comment typo in PKCS12Passwd.java

[Amos Shi]

Backport of [JDK-8311081](https://bugs.openjdk.org/browse/JDK-8311081)

Testing
- Local: Passed, on MacOS M1 Laptop
- Pipeline: 
- Testing Machine:

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Commit messages:
 - Backport 949846986f572dfb82912e7d71e7bfd37a90871e

Changes: https://git.openjdk.org/jdk11u-dev/pull/2514/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2514&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8318983
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2514.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2514/head:pull/2514

PR: https://git.openjdk.org/jdk11u-dev/pull/2514