/usr/lib/libzopfli.so.1 is in libzopfli1 1.0.1+git160119-1+b1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libzopfli.so.1.0.1
/usr/lib/libzopfli.so.1.0.1