console: Suppress unused warning asprintf result
@@ -104,7 +104,8 @@ esp_err_t esp_console_cmd_register(const esp_console_cmd_t *cmd)
/* Prepend a space before the hint. It separates command name and
* the hint. arg_print_syntax below adds this space as well.
*/
- asprintf(&item->hint, " %s", cmd->hint);
+ int unused __attribute__((unused));
+ unused = asprintf(&item->hint, " %s", cmd->hint);
} else if (cmd->argtable) {
/* Generate hint based on cmd->argtable */
char *buf = NULL;
