Snippets for groonga 16.1.0 from FreeBSD 150amd64

Sourced from https://pkg-status.freebsd.org/beefy23/data/latest-per-pkg/groonga/16.1.0/150amd64-default.log.

• /wrkdirs/usr/ports/textproc/groonga/work/groonga-16.1.0/lib/grn_task_executor.hpp:33:14: warning: private field 'ctx_' is not used [-Wunused-private-field]
     33 |     grn_ctx *ctx_;
        |              ^
  

• /wrkdirs/usr/ports/textproc/groonga/work/groonga-16.1.0/lib/proc/../grn_task_executor.hpp:33:14: warning: private field 'ctx_' is not used [-Wunused-private-field]
     33 |     grn_ctx *ctx_;
        |              ^