Merge branch 'ak/typofixes'

Typofixes.

* ak/typofixes:
  t: fix typos
  t/helper: fix a typo
  t/perf: fix typos
  t/unit-tests: fix typos
  contrib: fix typos
  compat: fix typos

diff --cc compat/fsmonitor/fsm-listen-win32.c
Simple merge

diff --cc compat/simple-ipc/ipc-unix-socket.c
Simple merge

diff --cc t/unit-tests/t-reftable-basics.c
Simple merge

diff --cc t/unit-tests/t-reftable-merged.c
Simple merge