RFR: 8352719: Add an equals sign to the modules statement

[Leo Korinth]

krb5/auto/TEST.properties: add an equals sign to the modules statement (this is the only `TEST.properties` file that uses this undocumented feature) .

compare:

find -name "TEST.properties" | xargs grep 'modules.*java' |
find -name "TEST.properties" | xargs grep 'modules.*java' | grep -v =

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Commit messages:
 - 8352719: Add an equals sign to the modules statement

Changes: https://git.openjdk.org/jdk/pull/24194/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24194&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8352719
  Stats: 12 lines in 1 file changed: 0 ins; 0 del; 12 mod
  Patch: https://git.openjdk.org/jdk/pull/24194.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24194/head:pull/24194

PR: https://git.openjdk.org/jdk/pull/24194