message: Rearrange _providers_to_try filling sequence
diff: # ODBC_<PROVIDER>_DRIVER_LINKER_FLAGS
  #
  -if (WIN32)
  - set (_providers_to_try MDAC;)
  -elseif (APPLE)
  - set (_providers_to_try iODBC;UnixODBC)
  -else ()
  - set (_providers_to_try UnixODBC;iODBC)
  -endif ()
  -
  if (ODBC_PROVIDER)
  string (TOUPPER "${ODBC_PROVIDER}" _provider_uc)
  if ("${_provider_uc}" STREQUAL "MDAC")
  @@ -83,6 +75,13 @@ if (ODBC_PROVIDER)
  else ()
  message (FATAL_ERROR "Unknown ODBC provider: ${ODBC_PROVIDER}")
  endif ()
  +# Platform-default provides:
  +elseif (WIN32)
  + set (_providers_to_try MDAC;)
  +elseif (APPLE)
  + set (_providers_to_try iODBC;UnixODBC)
  +else ()
  + set (_providers_to_try UnixODBC;iODBC)
  endif ()
  foreach (_provider ${_providers_to_try})
  