[gcab] build-sys: add some maintainercleanfiles for .gitignore

[Marc-Andre Lureau <malureau src gnome org>]

commit 6571208743c9e30aa693a36b85f3db987dd3c5e4
Author: Marc-Andrà Lureau <marcandre lureau gmail com>
Date:   Mon Jan 21 17:09:45 2013 +0100

    build-sys: add some maintainercleanfiles for .gitignore

 Makefile.am      |    1 +
 docs/Makefile.am |    2 ++
 2 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index d78367f..a093150 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -175,6 +175,7 @@ MAINTAINERCLEANFILES =						\
 	$(srcdir)/config.sub					\
 	$(srcdir)/configure.scan				\
 	$(srcdir)/depcomp					\
+	$(srcdir)/gtk-doc.make					\
 	$(srcdir)/install-sh					\
 	$(srcdir)/ltmain.sh					\
 	$(srcdir)/m4/*.m4					\
diff --git a/docs/Makefile.am b/docs/Makefile.am
index f3ddc22..034926c 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -1 +1,3 @@
 SUBDIRS = reference
+
+-include $(top_srcdir)/git.mk