From d3de3d51a37d5587e62ad1030daa08c775be6749 Mon Sep 17 00:00:00 2001
From: Yann Collet <cyan@fb.com>
Date: Fri, 16 Jun 2017 16:51:33 -0700
Subject: [PATCH] fix attempt 2 : Visual sign conversion warning

---
 lib/compress/zstd_compress.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/compress/zstd_compress.c b/lib/compress/zstd_compress.c
index 8993e7d7..937fd310 100644
--- a/lib/compress/zstd_compress.c
+++ b/lib/compress/zstd_compress.c
@@ -153,7 +153,7 @@ ZSTD_CCtx* ZSTD_createCCtx_advanced(ZSTD_customMem customMem)
     cctx->customMem = customMem;
     cctx->compressionLevel = ZSTD_CLEVEL_DEFAULT;
     ZSTD_STATIC_ASSERT(zcss_init==0);
-    ZSTD_STATIC_ASSERT(ZSTD_CONTENTSIZE_UNKNOWN==(U64)(-(1ULL)));
+    ZSTD_STATIC_ASSERT(ZSTD_CONTENTSIZE_UNKNOWN==(0ULL - 1));
     return cctx;
 }