docs: Add yet another private header

diff --git a/docs/reference/gdk/meson.build b/docs/reference/gdk/meson.build
index a4636851a03a0da0d6d48ab67dc5bd1a957e0b35..591df2de059eecb80260ff6b4c062ae94d486199 100644 (file)
--- a/docs/reference/gdk/meson.build
+++ b/docs/reference/gdk/meson.build
@@ -8,6 +8,7 @@ private_headers = [
   'gdkcontentformatsprivate.h',
   'gdkcontentproviderprivate.h',
   'gdkcursorprivate.h',
+  'gdkdebug.h',
   'gdkdevicepadprivate.h',
   'gdkdeviceprivate.h',
   'gdkdevicetoolprivate.h',