[polari] chatView: Fix check for outgoing message

[Florian Müllner <fmuellner src gnome org>]

commit b773dc368707445118931af8723f3f4e23bb2243
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Oct 30 04:14:30 2013 +0100

    chatView: Fix check for outgoing message
    
    Outgoing messages will always have a pending ID of 0, but 0 is also
    a valid ID for incoming messages - we need to check the additional
    bool return value to differentiate between the two cases.

 src/chatView.js |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/chatView.js b/src/chatView.js
index db93453..c93b0c0 100644
--- a/src/chatView.js
+++ b/src/chatView.js
@@ -429,8 +429,8 @@ const ChatView = new Lang.Class({
 
 
         let buffer = this._view.get_buffer();
-        let [id,] = message.get_pending_message_id();
-        if (id == 0 /* outgoing */ ||
+        let [id, valid] = message.get_pending_message_id();
+        if (!valid /* outgoing */ ||
             (this._active && this._toplevelFocus && this._nPending == 0)) {
             this._room.channel.ack_message_async(message, null);
         } else if (shouldHighlight) {