[gnome-desktop] Add missing linking with -lrt for clock_gettime()

[Martin Pitt <martinpitt src gnome org>]

commit fcd2d363299344466f88ae3e92a1e53d04cb8a2c
Author: Martin Pitt <martin pitt ubuntu com>
Date:   Wed Feb 22 08:48:23 2012 +0100

    Add missing linking with -lrt for clock_gettime()
    
    https://bugzilla.gnome.org/show_bug.cgi?id=670581

 libgnome-desktop/Makefile.am |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/libgnome-desktop/Makefile.am b/libgnome-desktop/Makefile.am
index 3fa6ccc..c432707 100644
--- a/libgnome-desktop/Makefile.am
+++ b/libgnome-desktop/Makefile.am
@@ -39,7 +39,8 @@ libgnome_desktop_3_la_SOURCES = 	\
 libgnome_desktop_3_la_LIBADD =	\
 	$(XLIB_LIBS)		\
 	$(LIBM)			\
-	$(GNOME_DESKTOP_LIBS)
+	$(GNOME_DESKTOP_LIBS)	\
+	-lrt
 
 libgnome_desktop_3_la_LDFLAGS = \
 	-version-info $(LT_VERSION) \