/usr/lib/x86_64-linux-gnu/libjpeg.so.8 is in libjpeg8 8d-1+deb7u1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libjpeg.so.8.4.0
/usr/lib/x86_64-linux-gnu/libjpeg.so.8.4.0