[gtk+] build: install gsk-autocleanup.h

[Timm Bäder <baedert src gnome org>]

commit fab944941487e4a9f04d51814412b4c2bf153bfe
Author: Timm Bäder <mail baedert org>
Date:   Tue Feb 6 11:26:47 2018 +0100

    build: install gsk-autocleanup.h

 gsk/meson.build |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gsk/meson.build b/gsk/meson.build
index d6e1342..964cee1 100644
--- a/gsk/meson.build
+++ b/gsk/meson.build
@@ -50,6 +50,7 @@ gsk_public_headers = files([
   'gskrendernode.h',
   'gskroundedrect.h',
   'gsktypes.h',
+  'gsk-autocleanup.h'
 ])
 
 install_headers(gsk_public_headers, 'gsk.h', subdir: 'gtk-4.0/gsk')