In checkPendPipeline() we can't be setting the TIMER_CONNECT correctly as that

is for the TCP connect. I changed it to TIMER_PRETRANSFER which seems to be
what was intended here.

lib/multi.c

@@ -1980,7 +1980,7 @@ static int checkPendPipeline(struct connectdata *conn)
     while(pipeLen < MAX_PIPELINE_LENGTH && curr) {
       Curl_llist_move(conn->pend_pipe, curr,
                       conn->send_pipe, conn->send_pipe->tail);
-      Curl_pgrsTime(curr->ptr, TIMER_CONNECT);
+      Curl_pgrsTime(curr->ptr, TIMER_PRETRANSFER);
       ++result; /* count how many handles we moved */
       curr = conn->pend_pipe->head;
       ++pipeLen;