Snippets for a2jmidid 9 from FreeBSD 150arm64

Sourced from https://pkg-status.freebsd.org/ampere5/data/latest-per-pkg/a2jmidid/9_5/150arm64-default.log.

• ../jack.c:64:18: warning: variable 'now' set but not used [-Wunused-but-set-variable]
     64 |   jack_nframes_t now;
        |                  ^
  

• ../jack.c:326:7: warning: variable 'err' set but not used [-Wunused-but-set-variable]
    326 |   int err;
        |       ^
  

• ../sigsegv.c:56:17: warning: unused variable 'ucontext' [-Wunused-variable]
     56 |     ucontext_t *ucontext = (ucontext_t*)ptr;
        |                 ^~~~~~~~