Snippets for libisofs 1.5.8 from Fedora ppc64le

Sourced from https://kojipkgs.fedoraproject.org/packages/libisofs/1.5.8/4.fc45/data/logs/ppc64le/build.log.

• libisofs/util.c:902:9: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
    902 |     dot = strrchr(src, '.');
        |         ^
  

• libisofs/util.c:970:9: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
    970 |     dot = strrchr(src, '.');
        |         ^
  

• libisofs/util.c:1104:9: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
   1104 |     dot = strrchr(src, '.');
        |         ^
  

• libisofs/rockridge.c:694:12: warning: variable 'count' set but not used [-Wunused-but-set-variable=]
    694 |     size_t count = 0;
        |            ^~~~~
  

• libisofs/builder.c:191:29: warning: 'link' may be used uninitialized [-Wmaybe-uninitialized]
    191 |                 link->fs_id = fs->get_id(fs);
        |                             ^
  

• libisofs/builder.c:210:32: warning: 'special' may be used uninitialized [-Wmaybe-uninitialized]
    210 |                 special->fs_id = fs->get_id(fs);
        |                                ^