Snippets for kactivitymanagerd 6.8.0 from Alpine s390x

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-s390x/community/kactivitymanagerd/kactivitymanagerd-6.8.0-r0.log.

• /usr/include/c++/15.2.0/bits/invoke.h:76:46: warning: 'SR.2860' may be used uninitialized [-Wmaybe-uninitialized]
     76 |       return ((*std::forward<_Tp>(__t)).*__f)(std::forward<_Args>(__args)...);
        |              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~