doc: Makefile.am: += -> =

Signed-off-by: ng0 <ng0@infotropique.org>

diff --git a/doc/Makefile.am b/doc/Makefile.am
index 4c61f2e806c505af28678864efcbdeb7cb0b4184..811a265760b27f6f2d61cdaeabe2fe5d00bcd6f1 100644 (file)
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -44,6 +44,6 @@ gnunet_TEXINFOS = \
        fdl-1.3.texi \
        gpl-3.0.texi
 
-EXTRA_DIST += \
+EXTRA_DIST = \
        $(gnunet_TEXINFOS) \
        $(gnunet_doc_images)