libhandy: fix build

Tests failed with:
(/build/source/build/tests/test-dialog:8953): Gtk-WARNING **: 17:06:30.557: Could not find the icon 'window-close-symbolic-ltr'.
The 'hicolor' theme was not found either, perhaps you need to install it.

See: https://hydra.nixos.org/build/88479512

+2 -1
+2 -1
pkgs/development/libraries/libhandy/default.nix
··· 41 41 doCheck = true; 42 42 43 43 checkPhase = '' 44 - export NO_AT_BRIDGE=1 44 + NO_AT_BRIDGE=1 \ 45 + XDG_DATA_DIRS="$XDG_DATA_DIRS:${hicolor-icon-theme}/share" \ 45 46 xvfb-run -s '-screen 0 800x600x24' dbus-run-session \ 46 47 --config-file=${dbus.daemon}/share/dbus-1/session.conf \ 47 48 meson test --print-errorlogs