[gspell] build: fix warning about EXTRA_DIST multiply defined

[Sébastien Wilmet <swilmet src gnome org>]

commit f6814d9f335365c4794a90a5153f6d426b25a7ca
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Mar 13 10:38:45 2016 +0100

    build: fix warning about EXTRA_DIST multiply defined

 docs/reference/Makefile.am |   16 ++++++++--------
 1 files changed, 8 insertions(+), 8 deletions(-)
---
diff --git a/docs/reference/Makefile.am b/docs/reference/Makefile.am
index ed2b4f9..67bf7ae 100644
--- a/docs/reference/Makefile.am
+++ b/docs/reference/Makefile.am
@@ -1,14 +1,6 @@
 ## Process this file with automake to produce Makefile.in
 AUTOMAKE_OPTIONS = 1.6
 
-EXTRA_DIST =                   \
-       gspell-docs.xml.in      \
-       gspell-sections.txt.in
-
-DISTCLEANFILES =                                       \
-       gspell-docs.xml                                 \
-       gspell- GSPELL_API_VERSION@.0-sections.txt
-
 # The name of the module.
 # For library-web, it's simpler if the DOC_MODULE follows the scheme:
 # $name-$major.$minor
@@ -68,4 +60,12 @@ MAINTAINERCLEANFILES =                       \
 # include common portion ...
 include $(top_srcdir)/gtk-doc.make
 
+EXTRA_DIST +=                  \
+       gspell-docs.xml.in      \
+       gspell-sections.txt.in
+
+DISTCLEANFILES =                                       \
+       gspell-docs.xml                                 \
+       gspell- GSPELL_API_VERSION@.0-sections.txt
+
 -include $(top_srcdir)/git.mk