Snippets for xpad 5.9.0 from Fedora s390x

Sourced from https://kojipkgs.fedoraproject.org/packages/xpad/5.9.0/1.fc46/data/logs/s390x/build.log.

• prefix.c:395:13: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
    395 |         end = strrchr (path, '/');
        |             ^
  

• prefix.c:431:13: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
    431 |         end = strrchr (path, '/');
        |             ^
  

• xpad-app.c:89:25: warning: ‘xpad_app_quit_if_no_pads’ declared ‘static’ but never defined [-Wunused-function]
     89 | static gboolean         xpad_app_quit_if_no_pads    (XpadPadGroup *group);
        |                         ^~~~~~~~~~~~~~~~~~~~~~~~