Merge branches 'wasapi_spdif_needtest', 'wasapi_options' and 'wasapi_default' into wasapi

* wasapi_spdif_needtest:
  ao_wasapi: Fix S/PDIF passthrough init
  ao_wasapi: Log the passthrough format in MSGL_V
  ao_wasapi: Also do passthrough for AF_FORMAT_MPEG2
  ao_wasapi: Support S/PDIF passthrough

* wasapi_options:
  DOCS/man/en/ao.rst: Update wasapi:device=<id> documentation
  ao_wasapi: Fix double free on uninit
  ao_wasapi: Support loading devices by name
  ao_wasapi: Don't search for devices as part of validation
  ao_wasapi: Change function macros to require semicolon after invocation
  ao_wasapi: Use OPT_STRING_VALIDATE for device suboption
  ao_wasapi: Fully convert to m_option API

* wasapi_default:
  ao_wasapi: Make default on Windows.