greybus: fix a leak on error in gb_module_create()

We should release ->interfaces[0] as well.

Fixes: b15d97d77017 ("greybus: core: add module abstraction")
Signed-off-by: Dan Carpenter <[e-mail]>
Acked-by: Viresh Kumar <[e-mail]>
Acked-by: Johan Hovold <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/greybus/module.c

···
 	return module;
 
 err_put_interfaces:
-	for (--i; i > 0; --i)
+	for (--i; i >= 0; --i)
 		gb_interface_put(module->interfaces[i]);
 
 	put_device(&module->dev);