[empathy] Use datadir instead of the dir suggested in the dbus pkgfile

[Sjoerd Simons <sjoerds src gnome org>]

commit 24bba52bf2faf446ecd7b0f5fd2feef05bc80ffa
Author: Sjoerd Simons <sjoerd simons collabora co uk>
Date:   Tue Aug 25 13:57:08 2009 +0100

    Use datadir instead of the dir suggested in the dbus pkgfile

 data/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/Makefile.am b/data/Makefile.am
index 83a575c..d3e5754 100644
--- a/data/Makefile.am
+++ b/data/Makefile.am
@@ -15,7 +15,7 @@ streamingprefs_DATA =		\
 	codec-preferences	\
 	element-properties
 
-servicefiledir = `pkg-config --variable=session_bus_services_dir dbus-1`
+servicefiledir = $(datadir)/dbus-1/services
 servicefile_in_files = org.freedesktop.Telepathy.Client.Empathy.service.in
 servicefile_DATA = $(servicefile_in_files:.service.in=.service)