Add '-ludev' to libraries

Commit fed2db32b698cc28679561672c9b726ec9bc5c6c added explicit
calls to udev_new() in the main function without adding '-ludev'
to the list of libraries.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reset timezone information on reconfigure

Whenever 'reconfigure' is called we need to re-initialize the
timezone information as it might have been changed in the
meantime.

References: bnc#830511

Signed-off-by: Hannes Reinecke <hare@suse.de>