Revert GRPC_CLOSURE_RUN to GRPC_CLOSURE_SCHED for send_ping_locked
diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.cc b/src/core/ext/transport/chttp2/transport/chttp2_transport.cc
index eb16c1b..f52a7f0 100644
--- a/src/core/ext/transport/chttp2/transport/chttp2_transport.cc
+++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.cc
@@ -1665,8 +1665,8 @@
 static void send_ping_locked(grpc_chttp2_transport* t,
                              grpc_closure* on_initiate, grpc_closure* on_ack) {
   if (t->closed_with_error != GRPC_ERROR_NONE) {
-    GRPC_CLOSURE_RUN(on_initiate, GRPC_ERROR_REF(t->closed_with_error));
-    GRPC_CLOSURE_RUN(on_ack, GRPC_ERROR_REF(t->closed_with_error));
+    GRPC_CLOSURE_SCHED(on_initiate, GRPC_ERROR_REF(t->closed_with_error));
+    GRPC_CLOSURE_SCHED(on_ack, GRPC_ERROR_REF(t->closed_with_error));
     return;
   }
   grpc_chttp2_ping_queue* pq = &t->ping_queue;