vcunat edit: SANE_MALLOC_PROTOS is gone, removing the handling https://git.gnome.org/browse/glib/commit/?id=518e3104bf6cdb5d8e6b43d3b721805db5951139
vcunat edit: SANE_MALLOC_PROTOS is gone, removing the handling https://git.gnome.org/browse/glib/commit/?id=518e3104bf6cdb5d8e6b43d3b721805db5951139