[gnome-build-meta/alatiera/3-30-fdo-28] freedesktop-sdk.bst: bump to 18.08.28

[Jordan Petridis <jpetridis src gnome org>]

commit dfb4bce58b571d1136da92ac50ea5e952b4f5503
Author: Jordan Petridis <jpetridis gnome org>
Date:   Fri Mar 1 12:00:09 2019 +0200

    freedesktop-sdk.bst: bump to 18.08.28

 elements/freedesktop-sdk.bst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/elements/freedesktop-sdk.bst b/elements/freedesktop-sdk.bst
index 49c9735d..ff3cd694 100644
--- a/elements/freedesktop-sdk.bst
+++ b/elements/freedesktop-sdk.bst
@@ -3,7 +3,7 @@ sources:
 - kind: git
   url: https://gitlab.com/freedesktop-sdk/freedesktop-sdk/
   track: 18.08
-  ref: freedesktop-sdk-18.08.27-0-gcde04cd2d4016ae73e85e89871a86c9f094c174c
+  ref: freedesktop-sdk-18.08.27-64-g2709c556eeffb688e3fc6c9700e5e6457577a751
 config:
   options:
     target_arch: '%{arch}'