[folks] Enable all optional features when distchecking.

[Jeremy Whiting <jpwhiting src gnome org>]

commit 4a6db1808e48fd286e022828131e990ea58132af
Author: Travis Reitter <travis reitter collabora co uk>
Date:   Mon Jun 4 08:04:15 2012 -0700

    Enable all optional features when distchecking.

 Makefile.am |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index ba7ee91..799b193 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -14,6 +14,10 @@ endif
 
 DISTCHECK_CONFIGURE_FLAGS = \
 	--enable-docs \
+	--enable-eds-backend \
+	--enable-libsocialweb-backend \
+	--enable-tracker-backend \
+	--enable-zeitgeist \
 	--disable-vala \
 	$(NULL)