Snippets for gnome-sushi 51.2 from Fedora s390x

Sourced from https://kojipkgs.fedoraproject.org/packages/sushi/51.2/2.fc46/data/logs/s390x/build.log.

• ../src/libsushi/externalwindow.c:100:9: warning: ‘gdk_x11_display_get_xdisplay’ is deprecated [-Wdeprecated-declarations]
    100 |         Display *dpy = gdk_x11_display_get_xdisplay (display);
        |         ^~~~~~~
  

• ../src/libsushi/externalwindow.c:101:9: warning: ‘gdk_x11_surface_get_xid’ is deprecated [-Wdeprecated-declarations]
    101 |         Window parent_xid = gdk_x11_surface_get_xid (surface);
        |         ^~~~~~
  

• ../src/libsushi/sushi-font-widget.c:450:3: warning: ‘title_size’ may be used uninitialized [-Wmaybe-uninitialized]
    450 |   cairo_set_font_size (cr, title_size);
        |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~