Snippets for argp-standalone 1.5.0 from FreeBSD 150amd64

Sourced from https://pkg-status.freebsd.org/beefy23/data/latest-per-pkg/argp-standalone/1.5.0_1/150amd64-default.log.

• ../argp-help.c:86:12: warning: returning 'const char *' from a function with result type 'char *' discards qualifiers [-Wincompatible-pointer-types-discards-qualifiers]
     86 |     return m ? dgettext(d, m) : NULL;
        |            ^~~~~~~~~~~~~~~~~~~~~~~~~
  

• ../argp-help.c:1720:2: warning: No reasonable value to return [-W#warnings]
   1720 | #warning No reasonable value to return
        |  ^
  

• ../argp-help.c:1866:22: warning: unused variable 'buf' [-Wunused-variable]
   1866 |                 char buf[200];
        |                      ^~~