select.c fix for clearing revents

select.patch

diff --git a/lib/select.c b/lib/select.c
index 52dca5a2c..3be32ceb5 100644
--- a/lib/select.c
+++ b/lib/select.c
@@ -344,10 +344,11 @@ int Curl_poll(struct pollfd ufds[], unsigned int nfds, timediff_t timeout_ms)
     for(i = 0; i < nfds; i++) {
       if(ufds[i].fd != CURL_SOCKET_BAD) {
         fds_none = FALSE;
         break;
       }
+      ufds[i].revents = 0;
     }
   }
   if(fds_none) {
     /* no sockets, just wait */
     return Curl_wait_ms(timeout_ms);