/usr/share/lintian/overrides/cairo-dock-plug-ins is in cairo-dock-plug-ins 3.4.1-0ubuntu7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | # Cairo-Dock Plug-Ins are not linked to gldi
cairo-dock-plug-ins: pkg-has-shlibs-control-file-but-no-actual-shared-libs
|