[gtk] Actually build docs for releases

[Matthias Clasen <matthiasc src gnome org>]

commit 8bc2ee63eb2ab55c2e743df63ed7d8c48e367413
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Mar 30 08:48:29 2021 -0400

    Actually build docs for releases

 make-release.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/make-release.sh b/make-release.sh
index d80f0b212f..b0876bbaf6 100755
--- a/make-release.sh
+++ b/make-release.sh
@@ -13,7 +13,7 @@ fi
 meson subprojects update gi-docgen
 
 # make the release tarball
-meson setup --force-fallback-for gi-docgen ${release_build_dir} || exit
+meson setup -Dgtk_doc=true --force-fallback-for gi-docgen ${release_build_dir} || exit
 meson compile -C${release_build_dir} || exit
 meson dist -C${release_build_dir} --include-subprojects || exit