Log Message:
sacc: Update to 1.07

pkgsrc changes:
- Inject CFLAGS and LDFLAGS

Changes:
1.07
----
- Various fixes
- Makefile improvements for easier target and user build flags handling
- the tls code has (hopefuly) been improved a bit
- added support for "TOFU" TLS certificates, alongside the ability to
  provide self-signed remote certificates