The upstream has switched to git, as reflect at http://sourceforge.net/p/kdiff3/code. Although there is no official announcement for that, I have contacted the author and got the confirmation for that switch. Reproducible: Always
I will work on this.
Thanks, fixed in git. http://git.overlays.gentoo.org/gitweb/?p=proj/kde.git;a=commitdiff;h=4ca738870de6600a10f41b7f5a258b51264b79cb