Integrated: 8278019: ProblemList java/awt/dnd/BadSerializationTest/BadSerializationTest.java on linux and windows

[Daniel D.Daugherty]

A trivial fix to ProblemList java/awt/dnd/BadSerializationTest/BadSerializationTest.java on linux and windows

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Commit messages:
 - 8278019: ProblemList java/awt/dnd/BadSerializationTest/BadSerializationTest.java on linux and windows

Changes: https://git.openjdk.java.net/jdk/pull/6624/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=6624&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8278019
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/6624.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/6624/head:pull/6624

PR: https://git.openjdk.java.net/jdk/pull/6624