[PATCH] new version of libsysfs patch

[PATCH] new version of libsysfs patch

Here's the patch applying the latest libsysfs.
	- adds the latest libsysfs code to udev
		* new code includes dlist implementation, a generic linked list
			implementation. Needed our own because LGPL
		* rearranged structures
		* provided more functions for accessing directory and attributes
	- gets rid of ->directory->path references in namedev.c
	- replaces sysfs_get_value_from_attributes with sysfs_get_classdev_attr