Changing format of file paths in giflib copyright file and removing extra text from authors list
------------- Commit messages: - update md file Changes: https://git.openjdk.org/jdk/pull/20859/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20859&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8339271 Stats: 16 lines in 1 file changed: 6 ins; 10 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/20859.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20859/head:pull/20859 PR: https://git.openjdk.org/jdk/pull/20859
