Note process vs thread in output

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/init.c b/init.c
index bca8424..2129882 100644
--- a/init.c
+++ b/init.c
@@ -816,6 +816,11 @@
 		return 1;
 	}
 
+	if (td->use_thread)
+		nr_thread++;
+	else
+		nr_process++;
+
 	if (td->odirect)
 		td->io_ops->flags |= FIO_RAWIO;