bundle gtk2 and libdbus for gamedevtycoon

See flathub#206

com.valvesoftware.Steam.yml

@@ -38,7 +38,6 @@ finish-args:
   - --allow=multiarch
   - --allow=devel
   - --allow=bluetooth
-  - --allow=per-app-dev-shm
   - --persist=.
   - --env=TZ=
   - --unset-env=TZ
@@ -150,6 +149,8 @@ cleanup-commands:
 
 modules:
 
+  - shared-modules/gtk2/gtk2.json
+
   - modules.yml
 
   - modules-32bit.yml
@@ -219,6 +220,12 @@ modules:
         url: https://gitlab.com/nanonyme/lsb-release-compat.git
         commit: f4f908b62dcc9cd081eb2a42b6ad7cf98db4bb10
 
+  - name: libdbus-glib
+    sources:
+      - type: "archive"
+        url: "http://deb.debian.org/debian/pool/main/d/dbus-glib/dbus-glib_0.110.orig.tar.gz"
+        sha256: "7ce4760cf66c69148f6bd6c92feaabb8812dee30846b24cd0f7395c436d7e825"
+
   - name: platform-bootstrap
     buildsystem: simple
     build-commands: