Automated change: Fix sanity tests

src/core/lib/iomgr/closure.h

diff --git a/src/core/lib/iomgr/closure.h b/src/core/lib/iomgr/closure.h
index 2404767..e8f7a0b 100644
--- a/src/core/lib/iomgr/closure.h
+++ b/src/core/lib/iomgr/closure.h
@@ -211,10 +211,7 @@
   grpc_closure_create(cb, cb_arg)
 #endif
 
-#define GRPC_CLOSURE_LIST_INIT \
-  {                            \
-    nullptr, nullptr           \
-  }
+#define GRPC_CLOSURE_LIST_INIT {nullptr, nullptr}
 
 inline void grpc_closure_list_init(grpc_closure_list* closure_list) {
   closure_list->head = closure_list->tail = nullptr;