Staging: comedi: kcomedilib: Add module_init/exit function

Add init/exit function to follow LKM semantics.
Apparently this module can still load/unload without
the init/exit function.

Tested loading/unloading with and without this patch.
Signed-off-by: NCheah Kok Cheong <thrust73@gmail.com>
Reviewed-by: NIan Abbott <abbotti@mev.co.uk>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/kcomedilib/kcomedilib_main.c

@@ -250,3 +250,15 @@ int comedi_get_n_channels(struct comedi_device *dev, unsigned int subdevice)
 	return n;
 }
 EXPORT_SYMBOL_GPL(comedi_get_n_channels);
+
+static int __init kcomedilib_module_init(void)
+{
+	return 0;
+}
+
+static void __exit kcomedilib_module_exit(void)
+{
+}
+
+module_init(kcomedilib_module_init);
+module_exit(kcomedilib_module_exit);