git: openjdk/jdk-sandbox: classfile-api-dev-branch: fixed locale in javadoc build

[Adam Sotona]

Changeset: e638d56f
Author:    Adam Sotona <asotona at openjdk.org>
Date:      2022-09-22 17:56:48 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/e638d56f172c5bf3ae36dd610cb408536189f2da

fixed locale in javadoc build

! make/Docs.gmk