Merge commit '24a90d4' into bfgminer

miner.c

@@ -2634,7 +2634,6 @@ static bool submit_upstream_work(struct work *work, CURL *curl, bool resubmit)
 		json_decref(req);
 		sd = bin2hex(data, 80);
 	} else {
-		sd = s;
 
 	/* build hex string */
 	hexstr = bin2hex(work->data, sizeof(work->data));
@@ -2644,6 +2643,8 @@ static bool submit_upstream_work(struct work *work, CURL *curl, bool resubmit)
 		s = realloc_strcat(s, hexstr);
 		s = realloc_strcat(s, "\" ], \"id\":1}");
 
+		sd = s;
+
 	}
 
 	applog(LOG_DEBUG, "DBG: sending %s submit RPC call: %s", pool->rpc_url, sd);