[babl] build (docs): add Glossary.html to BUILT_EXTRA_DIST

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 52b6ff3e03cd354039d52f82180ddce9b138864b
Author: Øyvind Kolås <pippin gimp org>
Date:   Wed Jul 24 13:49:08 2019 +0200

    build (docs): add Glossary.html to BUILT_EXTRA_DIST

 docs/Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/docs/Makefile.am b/docs/Makefile.am
index 0d9266e..4fcd93e 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -35,7 +35,7 @@ EXTRA_DIST=                   \
        COPYING.LESSER          \
        meson.build
 
-BUILT_EXTRA_DIST = index.html ColorManagement.html CMYK.html SymmetricAlpha.html Reference.html
+BUILT_EXTRA_DIST = index.html ColorManagement.html CMYK.html SymmetricAlpha.html Reference.html Glossary.html
 
 CLEANFILES = README changelog.rss
 DISTCLEANFILES = index-static.html $(BUILT_EXTRA_DIST)