- Dropped pptpsetup-mppe, vector-remove-fix, and call-use-after-free-fix
patches (all upstreamed)
- Dropped loading of nf_conntrack_pptp kernel module which was workaround and
according to upstream only hides real problems
- remove patch, included upstream
- edit Makefile to prevent attempted chown in %install
- remove redundant %attr tag in %files
- honour $RPM_OPT_FLAGS
- ensure directories have correct permissions