RFR: 8253342: Fix typos in String.transform

[Pavel Rappo]

To confirm that this would not require a CSR I asked Joe Darcy. Joe replied that this would NOT require a CSR.

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Commit messages:
 - Initial commit

Changes: https://git.openjdk.java.net/jdk/pull/238/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=238&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8253342
  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk/pull/238.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/238/head:pull/238

PR: https://git.openjdk.java.net/jdk/pull/238