[empathy] add COPYING-DOCS, COPYING.LGPL and COPYING.SHARE-ALIKE to EXTRA_DIST so they are shipped in tarballs

[Guillaume Desmottes <gdesmott src gnome org>]

commit fd87c03fb0a0ae22d27e581bd46df84ac96a4c04
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Mon Mar 15 12:18:11 2010 +0100

    add COPYING-DOCS, COPYING.LGPL and COPYING.SHARE-ALIKE to EXTRA_DIST so they are shipped in tarballs
    
    Also sort EXTRA_DIST.

 Makefile.am |   14 +++++++++-----
 1 files changed, 9 insertions(+), 5 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 798df83..bd8dd68 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -11,11 +11,15 @@ DISTCHECK_CONFIGURE_FLAGS =		\
 	--disable-schemas-install
 
 EXTRA_DIST = 			\
-        ChangeLog               \
-        ChangeLog.old           \
-        README                  \
-	CONTRIBUTORS		\
-	autogen.sh
+        CONTRIBUTORS \
+        COPYING-DOCS \
+        COPYING.LGPL \
+        COPYING.SHARE-ALIKE \
+        ChangeLog \
+        ChangeLog.old \
+        README \
+        autogen.sh \
+        $(NULL)
 
 DISTCLEANFILES = 		\
         ChangeLog