<Swing Dev> RFR: 8258913: ProblemList javax/swing/JComboBox/6559152/bug6559152.java on Linux-X64

[Daniel D.Daugherty]

A trivial fix to ProblemList javax/swing/JComboBox/6559152/bug6559152.java on Linux-X64.

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Commit messages:
 - 8258913: ProblemList javax/swing/JComboBox/6559152/bug6559152.java on Linux-X64

Changes: https://git.openjdk.java.net/jdk/pull/1885/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1885&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8258913
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1885.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1885/head:pull/1885

PR: https://git.openjdk.java.net/jdk/pull/1885