diff -NrU5 fast-user-switch-applet-2.24.0.orig/configure.ac fast-user-switch-applet-2.24.0/configure.ac
--- fast-user-switch-applet-2.24.0.orig/configure.ac	2009-05-26 18:19:14.000000000 +0200
+++ fast-user-switch-applet-2.24.0/configure.ac	2009-05-26 18:22:55.000000000 +0200
@@ -49,11 +49,12 @@
 GLIB_REQUIRED_VERSION=2.15.3
 
 PKG_CHECK_MODULES(APPLET, gtk+-2.0 >= $GTK_REQUIRED_VERSION
 	     libpanelapplet-2.0 >= $PANEL_REQUIRED_VERSION
 	     libglade-2.0 >= $GLADE_REQUIRED_VERSION
-	     gio-2.0 >= $GLIB_REQUIRED_VERSION)
+	     gio-2.0 >= $GLIB_REQUIRED_VERSION
+	     libgnomeui-2.0)
 AC_SUBST(APPLET_CFLAGS)
 AC_SUBST(APPLET_LIBS)
 
 AC_CHECK_FUNCS([setresuid setenv unsetenv clearenv])