From 835af2cae1b731a350ac86003f82183302bd2155 Mon Sep 17 00:00:00 2001
From: Alexander Alashkin <alexander.alashkin@cesanta.com>
Date: Fri, 21 Oct 2016 17:38:58 +0200
Subject: [PATCH] Fix CoAP/CC3200 compilation

PUBLISHED_FROM=00e4c01cc2bccd63b0f18b797e2c0503a489ef6f
---
 mongoose.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mongoose.c b/mongoose.c
index 3b4d8bff..e10c4610 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -9778,7 +9778,7 @@ uint32_t mg_coap_compose(struct mg_coap_message *cm, struct mbuf *io) {
   }
 
   if (cm->payload.len != 0) {
-    *ptr = -1;
+    *ptr = (char)-1;
     ptr++;
     memcpy(ptr, cm->payload.p, cm->payload.len);
   }