build only subdir daemon for gdm-session-worker

diff --git a/Makefile.am b/Makefile.am
index b884bdd..65a708e 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,13 +1,8 @@
 NULL =
 
 SUBDIRS = 			\
-	data			\
	common 			\
 	daemon 			\
-	docs			\
-	gui 			\
-	utils 			\
-	po 			\
 	$(NULL)
 
 EXTRA_DIST = \