RFR: 8264779: Fix doclint warnings in java/nio [v2]

[Naoto Sato]

On Wed, 7 Apr 2021 17:58:58 GMT, Conor Cleary <ccleary at openjdk.org> wrote:

>> src/java.base/share/classes/java/nio/exceptions line 31:
>> 
>>> 29: PACKAGE=java.nio
>>> 30: # This year should only change if the generated source is modified.
>>> 31: COPYRIGHT_YEARS="2000, 2021,"
>> 
>> Does not seem necessary, as I don't see any changes in java.nio package.
>
> This makes changes to the copyright headers of of the generated source files `UnsupportedCharsetException.java` and `IllegalCharsetNameException.java`. These can be found under a jdk build in `support/gensrc` and the headers update after running `make jdk-image`. Perhaps the build is out of date? These changes are harder to track as the source is not checked in.

That's right. Sorry for the false alarm.

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PR: https://git.openjdk.java.net/jdk/pull/3376