RFR: 8322175: test/langtools/tools/javac/classreader/BadMethodParameter.java doesn't compile

[Liam Miller-Cushon]

Hello, please consider this fix for a compilation error in a test introduced by [JDK-8322040](https://bugs.openjdk.org/browse/JDK-8322040).

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Commit messages:
 - Fix trailing whitespace
 - 8322175: test/langtools/tools/javac/classreader/BadMethodParameter.java doesn't compile

Changes: https://git.openjdk.org/jdk/pull/17120/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17120&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8322175
  Stats: 12 lines in 1 file changed: 3 ins; 2 del; 7 mod
  Patch: https://git.openjdk.org/jdk/pull/17120.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17120/head:pull/17120

PR: https://git.openjdk.org/jdk/pull/17120