[gnome-sdk-images] Don't autodelete GL extensions

[Alexander Larsson <alexl src gnome org>]

commit 56aa4ae961894ff73967b52deb3bb0a36d4dd4b1
Author: Alexander Larsson <alexl redhat com>
Date:   Mon Mar 6 10:55:13 2017 +0100

    Don't autodelete GL extensions
    
    These are used by multiple runtimes

 org.gnome.Sdk.json.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/org.gnome.Sdk.json.in b/org.gnome.Sdk.json.in
index f9f9eb2..2b4d9f4 100644
--- a/org.gnome.Sdk.json.in
+++ b/org.gnome.Sdk.json.in
@@ -13,7 +13,7 @@
         "--extension=org.freedesktop.Platform.GL=version=1.4",
         "--extension=org.freedesktop.Platform.GL=subdirectories=true",
         "--extension=org.freedesktop.Platform.GL=no-autodownload=true",
-        "--extension=org.freedesktop.Platform.GL=autodelete=true",
+        "--extension=org.freedesktop.Platform.GL=autodelete=false",
         "--extension=org.freedesktop.Platform.GL=add-ld-path=lib",
         "--extension=org.freedesktop.Platform.GL=merge-dirs=vulkan/icd.d;glvnd/egl_vendor.d",
         "--extension=org.freedesktop.Platform.GL=download-if=active-gl-driver",