RFR: 8266820: micro java/nio/SelectorWakeup.java has wrong copyright header

[Brian Burkhalter]

Please review this correction of a copyright header. Thanks.

-------------

Commit messages:
 - 8266820: micro java/nio/SelectorWakeup.java has wrong copyright header
 - 8266820: micro java/nio/SelectorWakeup.java has wrong copyright header

Changes: https://git.openjdk.java.net/jdk/pull/3952/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3952&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8266820
  Stats: 29 lines in 1 file changed: 4 ins; 13 del; 12 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3952.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3952/head:pull/3952

PR: https://git.openjdk.java.net/jdk/pull/3952