file: secure the URL, add libseccomp as external dep, and move libmagic.so to /lib
tree28b49666cb75e83feb06d79d03fb2cfd76d85a80
drwxr-xr-x - BOOK
-rw-r--r-- 1462 OLD_BRANCHES_AND_TAGS
drwxr-xr-x - editor-manual