tools: gpio: fix spurious close warning in lsgpio

Fix bogus close warning that occurs when opening the character device
fails.

Signed-off-by: Kent Gibson <[e-mail]>
Signed-off-by: Bartosz Golaszewski <[e-mail]>

tools/gpio/lsgpio.c

···
 	if (fd == -1) {
 		ret = -errno;
 		fprintf(stderr, "Failed to open %s\n", chrdev_name);
-		goto exit_close_error;
+		goto exit_free_name;
 	}
 
 	/* Inspect this GPIO chip */
···
 exit_close_error:
 	if (close(fd) == -1)
 		perror("Failed to close GPIO character device file");
+exit_free_name:
 	free(chrdev_name);
 	return ret;
 }