(main): Actually retry after a EAGAIN, EWOULDBLOCK or EINTR result

	from the final write.  Retry if it succeeds as well -- the
	server may just be slow closing the socket.

src/server/testsuite/get-time-often.c

@@ -581,7 +581,7 @@ main(int argc,
 		{
 		    again = 1;
 		    sleep(1);
-		    break;
+		    continue;
 		}
 
 		/* We expect EPIPE or ECONNRESET. */
@@ -592,7 +592,15 @@ main(int argc,
 		fprintf(stderr, "final write returned 0\n");
 
 	    if (rv > 0)
+	    {
+		if (retry > 1)
+		{
+		    again = 1;
+		    sleep(1);
+		    continue;
+		}
 		fprintf(stderr, "ERROR: final write succeeded: %d\n", (int)rv);
+	    }
 	}
     }