Renaming the ebuild works. Can I commit this?
By all means, please! Probably a good idea to bump gnustep-libs/sope at the same time (compilation and tests pass fine, but I do not have a working sogo setup to test it). Fix from #523556 looks fine too, I did not test sogo in the "real world" much (one of the main reasons it did not make its way in the main tree)
Just made the bump for both sope and sogo to 2.2.9a