Snippets for sgt-puzzles 20241230 from Fedora s390x

Sourced from https://kojipkgs.fedoraproject.org/packages/puzzles/20241230.79be403/5.fc45/data/logs/s390x/build.log.

/builddir/build/BUILD/puzzles-20241230.79be403-build/puzzles-20241230.79be403/misc.c:283:17: warning: ‘db’ may be used uninitialized [-Wmaybe-uninitialized]
  283 |                 colour_mix(&ret[background*3], black, k/db, &ret[lowlight*3]);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

/builddir/build/BUILD/puzzles-20241230.79be403-build/puzzles-20241230.79be403/gtk.c:3320:13: warning: ‘gdk_pixbuf_new_from_xpm_data’ is deprecated [-Wdeprecated-declarations]
 3320 |             ((const gchar **)xpm_icons[0]);
      |             ^

/builddir/build/BUILD/puzzles-20241230.79be403-build/puzzles-20241230.79be403/gtk.c:3902:29: warning: ‘gdk_pixbuf_new_from_xpm_data’ is deprecated [-Wdeprecated-declarations]
 3902 |                             ((const gchar **)xpm_icons[n_xpm_icons-1]));
      |                             ^

/builddir/build/BUILD/puzzles-20241230.79be403-build/puzzles-20241230.79be403/gtk.c:3908:31: warning: ‘gdk_pixbuf_new_from_xpm_data’ is deprecated [-Wdeprecated-declarations]
 3908 |                               gdk_pixbuf_new_from_xpm_data((const gchar **)
      |                               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

/builddir/build/BUILD/puzzles-20241230.79be403-build/puzzles-20241230.79be403/auxiliary/tree234-test.c:97:36: warning: ‘xpos’ may be used uninitialized [-Wmaybe-uninitialized]
   97 |             mypos = (xpos[1] + xpos[2]) / 2;
      |                                ~~~~^~~

/builddir/build/BUILD/puzzles-20241230.79be403-build/puzzles-20241230.79be403/auxiliary/tree234-test.c:501:16: warning: ‘c’ may be used uninitialized [-Wmaybe-uninitialized]
  501 |             if (c == 0) {
      |                ^

/builddir/build/BUILD/puzzles-20241230.79be403-build/puzzles-20241230.79be403/auxiliary/tree234-test.c:507:32: warning: ‘mid’ may be used uninitialized [-Wmaybe-uninitialized]
  507 |                     ret = array[mid];
      |                                ^

/builddir/build/BUILD/puzzles-20241230.79be403-build/puzzles-20241230.79be403/filling.c:1592:32: warning: initialization discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
 1592 |         char *endptr, *delim = strchr(move, '_');
      |                                ^~~~~~

/builddir/build/BUILD/puzzles-20241230.79be403-build/puzzles-20241230.79be403/loopy.c:760:17: warning: initialization discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
  760 |     char *sep = strchr(*desc, GRID_DESC_SEP), *gd;
      |                 ^~~~~~

/usr/include/bits/string_fortified.h:59:10: warning: ‘memset’ specified size between 18446744071562067968 and 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
   59 |   return __builtin___memset_chk (__dest, __ch, __len,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   60 |                                  __glibc_objsize0 (__dest));
      |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~

/builddir/build/BUILD/puzzles-20241230.79be403-build/puzzles-20241230.79be403/unequal.c:2430:26: warning: initialization discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
 2430 |             char *desc = strchr(id, ':');
      |                          ^~~~~~