[libgsystem] Fix systemd journal detection

[Colin Walters <walters src gnome org>]

commit 2cbbbc55a0dd54d333aeb30520683e563e847fd9
Author: Colin Walters <walters verbum org>
Date:   Sat Feb 8 04:39:27 2014 -0500

    Fix systemd journal detection

 configure.ac |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index c2e435a..b3999b2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -48,9 +48,12 @@ AC_ARG_WITH(systemd-journal,
            AS_HELP_STRING([--without-systemd-journal], [Use systemd journal @<:@default=auto@:>@]),
            [], [with_systemd_journal=auto])
 AS_IF([test x$with_systemd_journal != xno], [
-  PKG_CHECK_MODULES([SYSTEMD_JOURNAL], [libsystemd-journal >= 200], have_systemd_journal=yes, 
have_systemd_journal=no)
+  PKG_CHECK_MODULES([BUILDDEP_SYSTEMD_JOURNAL], [libsystemd-journal >= 200], have_systemd_journal=yes, 
have_systemd_journal=no)
   ])
 AM_CONDITIONAL(ENABLE_SYSTEMD_JOURNAL, test x$have_systemd_journal = xyes)
+AS_IF([test x$have_systemd_journal = xyes], [
+  AC_DEFINE([ENABLE_SYSTEMD_JOURNAL],[1],[Define if you want to build with systemd journal support])
+])
 
 AC_CONFIG_FILES([
 Makefile