python3Packages.sipsimple: fix build with gcc15

        owner = "wernerd";

        repo = "ZRTPCPP";

        inherit rev;

        hash = "sha256-kJlGPVA+yfn7fuRjXU0p234VcZBAf1MU4gRKuPotfog=";

        hash = "sha256-pGng1Y9N51nGBpiZbn2NTx4t2NGg4qkmbghTscJVhIA=";

        postFetch = ''

          # fix build with gcc15

          sed -e '9i #include <cstdint>' -i $out/zrtp/EmojiBase32.cpp

        '';

      };

    };

  };