Package Brotli-0.6.0.tag.gz is wrong, v0.6.0 of git is right.

Confusion to be addressed; https://github.com/google/brotli/issues/539



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1790975 13f79535-47bb-0310-9956-ffa450edef68