- Merge PR #335 from fobser: Sprinkle in some static to prevent
  missing prototype warnings.

* nlnet/master:
  - Fix missing prototypes in the code.
  Changelog note for NLnetLabs#373 - Merge PR NLnetLabs#373 from fobser: Warning: arithmetic on a pointer to void   is a GNU extension.
  Changelog note for NLnetLabs#335 - Merge PR NLnetLabs#335 from fobser: Sprinkle in some static to prevent   missing prototype warnings.
  Warning: arithmetic on a pointer to void is a GNU extension.
  - Fix to squelch permission denied and other errors from remote host,   they are logged at higher verbosity but not on low verbosity.
  - Fix NLnetLabs#371: unbound-control timeout when Unbound is not running.
  - iana portlist updated.
  - make depend.
  Code repo continues for 1.13.1 in development.
  - Fix update, with write event check with streamreuse and fastopen.
  - Fix for NLnetLabs#283: fix stream reuse and tcp fast open.
  - Fix on windows to ignore connection failure on UDP, unless verbose.
  - Fix unbound-dnstap-socket to not use log routine from interrupt   handler and not print so frequently when invoked in sequence.
  - Fix NLnetLabs#356: deadlock when listening tcp.
  - Fix NLnetLabs#360: for the additionally reported TCP Fast Open makes TCP   connections fail, in that case we print a hint that this is   happening with the error in the logs.
  Sprinkle in some static to prevent missing prototype warnings.