Snippets for apg 2.2.3 from Alpine s390x

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-s390x/main/apg/apg-2.2.3-r7.log.

• apgbfm.c:82:7: warning: variable 'case_insensitive_flag' set but not used [-Wunused-but-set-variable]
     82 |  flag case_insensitive_flag = FALSE; /* -q */
        |       ^~~~~~~~~~~~~~~~~~~~~
  

• apg.c:574:56: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long unsigned int' [-Wformat=]
    574 |  printf ("\nPlease enter some random data (only first %d are significant)\n", sizeof(prom));
        |                                                       ~^                      ~~~~~~~~~~~~
        |                                                        |                      |
        |                                                        int                    long unsigned int
        |                                                       %ld