/usr/share/doc/gstreamer0.10-crystalhd/changelog.Debian.gz is in gstreamer0.10-crystalhd 1:0.0~git20110715.fdd2f19-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/gstreamer0.10-crystalhd/../libcrystalhd3/changelog.Debian.gz