[gnome-sdk-images] Support the gstreamer plugins from the freedesktop base

[Alexander Larsson <alexl src gnome org>]

commit 145826ad6c753d84c2b25a18ee2d5389279bf3f8
Author: Alexander Larsson <alexl redhat com>
Date:   Wed Mar 23 16:10:24 2016 +0100

    Support the gstreamer plugins from the freedesktop base

 metadata.platform |    7 ++++++-
 metadata.sdk      |    7 ++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)
---
diff --git a/metadata.platform b/metadata.platform
index 0804ead..4ca8c46 100644
--- a/metadata.platform
+++ b/metadata.platform
@@ -11,7 +11,12 @@ directory=lib/GL
 version=1.4
 directory=share/zoneinfo
 
+[Extension org.freedesktop.Platform.GStreamer]
+version=1.4
+directory=lib/extensions/gstreamer-1.0
+subdirectories=true
+
 [Environment]
 GI_TYPELIB_PATH=/app/lib/girepository-1.0
-GST_PLUGIN_PATH=/app/lib/gstreamer-1.0
+GST_PLUGIN_SYSTEM_PATH=/app/lib/gstreamer-1.0:/usr/lib/extensions/gstreamer-1.0:/usr/lib/gstreamer-1.0
 LD_LIBRARY_PATH=/app/lib:/usr/lib/GL
diff --git a/metadata.sdk b/metadata.sdk
index 7f11606..280d014 100644
--- a/metadata.sdk
+++ b/metadata.sdk
@@ -11,7 +11,12 @@ directory=lib/GL
 version=1.4
 directory=share/zoneinfo
 
+[Extension org.freedesktop.Platform.GStreamer]
+version=1.4
+directory=lib/extensions/gstreamer-1.0
+subdirectories=true
+
 [Environment]
 GI_TYPELIB_PATH=/app/lib/girepository-1.0
-GST_PLUGIN_PATH=/app/lib/gstreamer-1.0
+GST_PLUGIN_SYSTEM_PATH=/app/lib/gstreamer-1.0:/usr/lib/extensions/gstreamer-1.0:/usr/lib/gstreamer-1.0
 LD_LIBRARY_PATH=/app/lib:/usr/lib/GL