The fact that libgtk doesn't link agains libgdk upsets prelink, and we still have a lot of libgtk-1.2 binaries even in Cambridge. It's probably worth adding this inter-library dependency to gtk+ package.
* Mon Oct 27 2003 Owen Taylor <otaylor> 1:1.2.10-28.1 - Cave like a cheap house of cards and add gdk-pixbuf dependency (#105613) - Add gtkrc.*.utf8 RC files for CJK (#84593) - Add a dependency on libgdk to libgtk (#106677)