RFR: 8365375: Method SU3.setAcceleratorSelectionForeground assigns to acceleratorForeground

[Prasanta Sadhukhan]

An inadvertent copy-paste error in assignment is fixed

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Commit messages:
 - 8365375: Method SU3.setAcceleratorSelectionForeground assigns to acceleratorForeground

Changes: https://git.openjdk.org/jdk/pull/26743/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26743&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8365375
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/26743.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26743/head:pull/26743

PR: https://git.openjdk.org/jdk/pull/26743