suppress unused variable warning

Author: bigbrett

src/wh_server.c

@@ -439,6 +439,7 @@ int wh_Server_HandleRequestMessage(whServerContext* server)
         WH_LOG_ON_ERROR_F(&server->log, WH_LOG_LEVEL_ERROR, handlerRc,
                           "Handler (group=%d, action=%d, seq=%d) returned %d",
                           group, action, seq, handlerRc);
+        (void)handlerRc; /* suppress unused var warning */
 
         /* Log error code from sending response, if present */
         WH_LOG_ON_ERROR_F(