[libvirt] [libvirt-designer] Add missing files to EXTRA_DIST

[Christophe Fergeau]

This fixes make distcheck
---
I've pushed this under the trivial rule.

Christophe

 Makefile.am | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Makefile.am b/Makefile.am
index 9ef319a..726d475 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -10,6 +10,8 @@ EXTRA_DIST = \
 	$(PACKAGE).spec \
 	$(pkgconfig_DATA:%.pc=%.pc.in) \
 	AUTHORS.in \
+	GNUmakefile \
+	maint.mk \
 	README.in \
 	$(NULL)
 
-- 
1.8.1.4