MINOR: task/stream: tasks related to a stream must be init by the caller.

The task_wakeup was called on stream_new, but the task/stream
wasn't fully initialized yet. The task_wakeup must be called
explicitly by the caller once the task/stream is initialized.
diff --git a/src/hlua.c b/src/hlua.c
index b8d2c88..85e0c66 100644
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -2353,6 +2353,7 @@
 	jobs++;
 	totalconn++;
 
+	task_wakeup(task, TASK_WOKEN_INIT);
 	/* Return yield waiting for connection. */
 	return 1;