<Swing Dev> RFR: 8265278: doc build fails after JDK-8262981

[Pankaj Bansal]

The doc build fails after the JDK-8262981. The JDK-8262981 adds a new function, but by mistake the param name used in function is different from the param name mentioned in @param tag. This breaks the doc build.

This change corrects the param name. I have verified that the doc build runs successfully after the changes by running following command. It fails before the current change and passes with the change.

"make jdk-image docs-jdk"

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Commit messages:
 - Fix the param name

Changes: https://git.openjdk.java.net/jdk/pull/3518/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3518&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8265278
  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3518.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3518/head:pull/3518

PR: https://git.openjdk.java.net/jdk/pull/3518