RFR: 8283189: Bad copyright header in UnsafeCopyMemory.java

[Tobias Hartmann]

Please review this trivial fix that adds a missing comma after the copyright date.

Thanks,
Tobias

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Commit messages:
 - 8283189: Bad copyright header in UnsafeCopyMemory.java

Changes: https://git.openjdk.java.net/jdk/pull/7824/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7824&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8283189
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7824.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7824/head:pull/7824

PR: https://git.openjdk.java.net/jdk/pull/7824