From 02033be08c581ec59d4ef26d46defc0687d15f81 Mon Sep 17 00:00:00 2001
From: Nick Terrell <terrelln@fb.com>
Date: Mon, 28 Aug 2017 17:19:01 -0700
Subject: [PATCH] [pool] Visual Studios disallows empty structs

---
 lib/common/pool.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/common/pool.c b/lib/common/pool.c
index ada9b1696..9567d112f 100644
--- a/lib/common/pool.c
+++ b/lib/common/pool.c
@@ -219,7 +219,9 @@ void POOL_add(void* ctxVoid, POOL_function function, void *opaque) {
 /* No multi-threading support */
 
 /* We don't need any data, but if it is empty malloc() might return NULL. */
-struct POOL_ctx_s {};
+struct POOL_ctx_s {
+    int dummy;
+};
 static POOL_ctx g_ctx;
 
 POOL_ctx* POOL_create(size_t numThreads, size_t queueSize) {