[PATCH] Fix libsystemd support

[nmav at gnutls.org (Nikos Mavrogiannopoulos)]

On Sat, 2015-01-24 at 09:11 +0800, Aron Xu wrote:
> libsystemd-daemon is deprecated, should use libsystemd

Hi Aron,
 This patch doesn't do that though. libsystemd is already in use; the
patch renames the LIBSYSTEMD_DAEMON variable to LIBSYSTEMD. Is that the
intention? If yes, please resend with an appropriate description.

regards,
Nikos