cmake SASL2_HAVE_SASL_CLIENT_DONE examples

mongodb/mongo-c-driver src/libmongoc/CMakeLists.txt :367 

check_symbol_exists(
      sasl_client_done
      sasl/sasl.h
      SASL2_HAVE_SASL_CLIENT_DONE
   )

cvet/fonline ThirdParty/mongo-c-driver/src/libmongoc/CMakeLists.txt :367 

check_symbol_exists(
      sasl_client_done
      sasl/sasl.h
      SASL2_HAVE_SASL_CLIENT_DONE
   )