Shown in the URL above is a patch to fix a ktorrent crash in version 2.2.1. I'll attach the patch and the ebuild.
Created attachment 127134 [details] ktorrent-2.2.1-r1.ebuild revised ebuild for 2.2.1
Created attachment 127136 [details, diff] ktorrent-2.2.1.patch patch with the fixes from the upstream patch
Fixed in CVS. Thanks for reporting.