[libgdata] docs: Add missing file to EXTRA_DIST

[Philip Withnall <pwithnall src gnome org>]

commit ab094bab26aa754196d467a9c183f9598ed8d1f1
Author: Philip Withnall <philip tecnocode co uk>
Date:   Thu Dec 16 12:41:36 2010 +0000

    docs: Add missing file to EXTRA_DIST

 docs/reference/Makefile.am |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/docs/reference/Makefile.am b/docs/reference/Makefile.am
index 1c09278..287e757 100644
--- a/docs/reference/Makefile.am
+++ b/docs/reference/Makefile.am
@@ -105,7 +105,11 @@ maintainer-clean-docs: clean
 
 # Other files to distribute
 # e.g. EXTRA_DIST += version.xml.in
-EXTRA_DIST += version.xml.in structure.dia
+EXTRA_DIST += \
+	version.xml.in \
+	structure.dia \
+	data-flow.dia \
+	$(NULL)
 
 if ENABLE_GTK_DOC
 TESTS_ENVIRONMENT = cd $(srcdir) &&