Snippets for shairport-sync 5.2.1 from FreeBSD 150arm64

Sourced from https://pkg-status.freebsd.org/ampere5/data/latest-per-pkg/shairport-sync/5.2.1/150arm64-default.log.

• shairport.c:441:7: warning: declaration shadows a variable in the global scope [-Wshadow]
    441 |   int optind;
        |       ^
  

• common.c:2294:32: warning: format string is not a string literal [-Wformat-nonliteral]
   2294 |   vsnprintf(buffer, max_bytes, format, args);
        |                                ^~~~~~
  

• common.c:2309:47: warning: format string is not a string literal [-Wformat-nonliteral]
   2309 |   vsnprintf(actual_name, sizeof(actual_name), format, args);
        |                                               ^~~~~~
  

• common.c:2320:47: warning: format string is not a string literal [-Wformat-nonliteral]
   2320 |   vsnprintf(actual_name, sizeof(actual_name), format, args);
        |                                               ^~~~~~
  

• common.c:2350:47: warning: format string is not a string literal [-Wformat-nonliteral]
   2350 |   vsnprintf(actual_name, sizeof(actual_name), format, args);
        |                                               ^~~~~~
  

• player.c:3302:31: warning: format string is not a string literal [-Wformat-nonliteral]
   3302 |       vsnprintf(b, sizeof(b), format, args);
        |                               ^~~~~~
  

• utilities/structured_buffer.c:84:50: warning: format string is not a string literal [-Wformat-nonliteral]
     84 |     vsnprintf(p, sbuf->buf_size - sbuf->buf_pos, format, args);
        |                                                  ^~~~~~