external/websocket: change ndbg to printf
change ndbg to printf
#define WEBSOCKET_DEBUG_PRINT
/**< websocket debug print option if defined, enables debug print */
#if defined(WEBSOCKET_DEBUG_PRINT)
-#define WEBSOCKET_DEBUG ndbg
+#define WEBSOCKET_DEBUG printf
#else
#define WEBSOCKET_DEBUG(...) do { } while (0)
#endif
