Curl_output_ntlm: remove unused variable

lib/http_ntlm.c

@@ -461,13 +461,9 @@ CURLcode Curl_output_ntlm(struct connectdata *conn,
   struct ntlmdata *ntlm;
   struct auth *authp;
 
-  struct SessionHandle *data;
-
   DEBUGASSERT(conn);
   DEBUGASSERT(conn->data);
 
-  data = conn->data;
-
 #ifdef USE_NSS
   if(CURLE_OK != Curl_nss_force_init(conn->data))
     return CURLE_OUT_OF_MEMORY;