Always take retransmissions into account when deciding pacing order

webrtc/modules/pacing/paced_sender.cc

Index: webrtc/modules/pacing/paced_sender.cc
diff --git a/webrtc/modules/pacing/paced_sender.cc b/webrtc/modules/pacing/paced_sender.cc
index c1741d690245610b6d8c936876d850fe075fd0b3..ae9743434029335af98a76a0cc34875aa3ff1552 100644
--- a/webrtc/modules/pacing/paced_sender.cc
+++ b/webrtc/modules/pacing/paced_sender.cc
@@ -76,8 +76,8 @@ struct Comparator {
       return first->priority > second->priority;
 
     // Retransmissions go first.
-    if (second->retransmission && !first->retransmission)
-      return true;
+    if (second->retransmission != first->retransmission)
+      return second->retransmission;
 
     // Older frames have higher prio.
     if (first->capture_time_ms != second->capture_time_ms)