Snippets for gnunet 0.28.0 from Alpine ppc64le

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-ppc64le/community/gnunet/gnunet-0.28.0-r0.log.

• ../src/service/cadet/cadet_api_drop_message.c:36:1: warning: 'GNUNET_CADET_drop_message' defined but not used [-Wunused-function]
     36 | GNUNET_CADET_drop_message (struct GNUNET_MQ_Handle *mq,
        | ^~~~~~~~~~~~~~~~~~~~~~~~~
  

• ../src/service/cadet/gnunet-service-cadet_paths.c:283:1: warning: 'GCPP_update_score' defined but not used [-Wunused-function]
    283 | GCPP_update_score (struct CadetPeerPath *path,
        | ^~~~~~~~~~~~~~~~~
  

• ../src/service/core/test_core_plugin_underlay_dummy.c:405:38: warning: 'channel_count' may be used uninitialized [-Wmaybe-uninitialized]
    405 |   num_messages_target = channel_count->udrs->num_messages_target;
        |                         ~~~~~~~~~~~~~^~~~~~
  

• ../src/service/core/gnunet-service-core.h:209:35: warning: 'GSC_peer_class' defined but not used [-Wunused-variable]
    209 | static enum GNUNET_CORE_PeerClass GSC_peer_class;
        |                                   ^~~~~~~~~~~~~~
  

• ../src/service/namestore/gnunet-service-namestore.c:2658:6: warning: 'ret' may be used uninitialized [-Wmaybe-uninitialized]
   2658 |   if (GNUNET_SYSERR == ret)
        |      ^
  

• ../src/plugin/datastore/plugin_datastore_sqlite.c:1045:5: warning: 'rc' may be used uninitialized [-Wmaybe-uninitialized]
   1045 |   { GNUNET_SQ_query_param_uint64 (&rc.uid), GNUNET_SQ_query_param_end };
        |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• ../src/lib/util/crypto_paillier.c:121:1: warning: 'GNUNET_CRYPTO_paillier_encrypt1' defined but not used [-Wunused-function]
    121 | GNUNET_CRYPTO_paillier_encrypt1 (const struct
        | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~