Snippets for engrampa 1.28.3 from Fedora ppc64le

Sourced from https://kojipkgs.fedoraproject.org/packages/engrampa/1.28.3/2.fc45/data/logs/ppc64le/build.log.

• /usr/include/glib-2.0/glib/gatomic.h:131:5: warning: argument 2 of ‘__atomic_load’ discards ‘volatile’ qualifier [-Wdiscarded-qualifiers]
    131 |     __atomic_load (gapg_temp_atomic, &gapg_temp_newval, __ATOMIC_SEQ_CST); \
        |     ^~~~~~~~~~~~~
  

• fr-archive.c:2832:18: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
   2832 |         name_end = strchr (base_path, '/');
        |                  ^
  

• gtk-utils.c:268:9: warning: ‘gtk_dialog_get_action_area’ is deprecated [-Wdeprecated-declarations]
    268 |         action_area = gtk_dialog_get_action_area (GTK_DIALOG (dialog));
        |         ^~~~~~~~~~~
  

• fr-window.c:8552:24: warning: unused variable ‘edata’ [-Wunused-variable]
   8552 |         ExtractData   *edata;
        |                        ^~~~~
  

• test-server.c:28:1: warning: ‘engrampa_getsupportedtypes_ready_cb’ defined but not used [-Wunused-function]
     28 | engrampa_getsupportedtypes_ready_cb (GObject      *source_object,
        | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• main.c:349:9: warning: ‘G_APPLICATION_FLAGS_NONE’ is deprecated: Use 'G_APPLICATION_DEFAULT_FLAGS' instead [-Wdeprecated-declarations]
    349 |         app = gtk_application_new (NULL, G_APPLICATION_FLAGS_NONE);
        |         ^~~