* gnu/packages/wordnet.scm (wordnet)[source]: Add patches. * gnu/packages/patches/wordnet-CVE-2008-2149.patch, gnu/packages/patches/wordnet-CVE-2008-3908-pt1.patch, gnu/packages/patches/wordnet-CVE-2008-3908-pt2.patch: New variables. * gnu/local.mk (dist_patch_DATA): Add them.