[gnome-session] Fix linking with pedantic linkers

[Matthias Clasen <matthiasc src gnome org>]

commit 9a5c05ce149aa40a8c8e8dd4a3bcebd60418c15b
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Mar 8 17:39:14 2011 -0500

    Fix linking with pedantic linkers

 tools/Makefile.am |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/tools/Makefile.am b/tools/Makefile.am
index 12454d1..aaf1ca1 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -42,6 +42,7 @@ gnome_session_check_accelerated_CPPFLAGS =      \
 	$(GTK3_CFLAGS)
 
 gnome_session_check_accelerated_LDADD =         \
-	$(GTK3_LIBS)
+	$(GTK3_LIBS)				\
+	$(X_LIBS)
 
 -include $(top_srcdir)/git.mk