Bring back gli initializer summoning
diff --git a/src/cpp/common/completion_queue_cc.cc b/src/cpp/common/completion_queue_cc.cc
index 418baac..0408a41 100644
--- a/src/cpp/common/completion_queue_cc.cc
+++ b/src/cpp/common/completion_queue_cc.cc
@@ -47,7 +47,10 @@
   InitialAvalanching();
 }
 
-void CompletionQueue::Shutdown() { CompleteAvalanching(); }
+void CompletionQueue::Shutdown() {
+  g_gli_initializer.summon();
+  CompleteAvalanching();
+}
 
 void CompletionQueue::CompleteAvalanching() {
   // Check if this was the last avalanching operation