cmake _MONGOC_HAVE_RES_NSEARCH_RESOLV examples

mongodb/mongo-c-driver build/cmake/ResSearch.cmake :19 

check_symbol_exists(res_nsearch "${resolve_headers}" _MONGOC_HAVE_RES_NSEARCH_RESOLV)

cvet/fonline ThirdParty/mongo-c-driver/build/cmake/ResSearch.cmake :19 

check_symbol_exists(res_nsearch "${resolve_headers}" _MONGOC_HAVE_RES_NSEARCH_RESOLV)