Add Ninja-1.8.2. Add Python-3.6.2. Add libffi-3.2.1. Update to eudev-3.2.4. git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11303 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689