license update: GPL-2.0+
See gpl.txt and e.g. spiro.c - there is no indication that this is BSD-3-Clause licensed and every indication that it is GPL-2.0+ licensed
license update: GPL-2.0+
See gpl.txt and e.g. spiro.c - there is no indication that this is BSD-3-Clause licensed and every indication that it is GPL-2.0+ licensed