apvlv: fix build with poppler 0.73.0

Poppler was upgraded in [0] and therefore the build broke, as
poppler/goo/gtypes.h was moved into poppler/goo/gfile.h [1].

Upstream issue is [2].

[0] https://github.com/NixOS/nixpkgs/commit/7757e43fcb15f3b3e21187787edaad54614ec7e6
[1] https://gitlab.freedesktop.org/poppler/poppler/commit/ef3ef702bc3dc845731e43215400448c5324efd4
[2] https://github.com/naihe2010/apvlv/issues/28