[aravis] build: make distcheck pass.

[Emmanuel Pacaud <emmanuel src gnome org>]

commit 51d3f307966e4a35b25dbd9ebd2d00f44688617c
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Fri May 21 22:08:26 2010 +0200

    build: make distcheck pass.

 docs/Makefile.am                  |    2 ++
 docs/reference/Makefile.am        |    2 ++
 docs/reference/aravis/Makefile.am |    2 ++
 3 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/docs/Makefile.am b/docs/Makefile.am
index 18bfc13..5e5a182 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -1,3 +1,5 @@
+include $(top_srcdir)/Makefile.decl
+
 SUBDIRS =
 
 if BUILD_GTK_DOC
diff --git a/docs/reference/Makefile.am b/docs/reference/Makefile.am
index b65dd93..eadc73d 100644
--- a/docs/reference/Makefile.am
+++ b/docs/reference/Makefile.am
@@ -1 +1,3 @@
+include $(top_srcdir)/Makefile.decl
+
 SUBDIRS = aravis
diff --git a/docs/reference/aravis/Makefile.am b/docs/reference/aravis/Makefile.am
index 14de4aa..9fe764b 100644
--- a/docs/reference/aravis/Makefile.am
+++ b/docs/reference/aravis/Makefile.am
@@ -1,3 +1,5 @@
+include $(top_srcdir)/Makefile.decl
+
 ## Process this file with automake to produce Makefile.in
 
 # We require automake 1.6 at least.