Snippets for angband 4.2.6 from Fedora s390x

Sourced from https://kojipkgs.fedoraproject.org/packages/angband/4.2.6/2.fc45/data/logs/s390x/build.log.

• datafile.c:319:20: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
    319 |                 pe = strstr(range, sep);
        |                    ^
  

• obj-init.c:90:23: warning: initialization discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
     90 |         char *under = strchr(flag_name, '_');
        |                       ^~~~~~
  

• player-birth.c:1466:27: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
   1466 |                         p = strchr(roman_token_chr2[c1i], c2);
        |                           ^
  

• ui-event.c:183:29: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
    183 |                         end = strchr(str, (unsigned char) ']');
        |                             ^
  

• z-color.c:170:15: warning: comparison is always false due to limited range of data type [-Wtype-limits]
    170 |         if (c < 0) return (c);
        |               ^
  

• z-util.c:878:46: warning: return discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
    878 |                 (*text_wcschr_hook)(wcs, wc) : wcschr(wcs, wc);
        |                                              ^