[gnome-build-meta] Revert "sdk-platform.bst: No longer depend on shared-library-guard.bst"

[Michael Catanzaro <mcatanzaro src gnome org>]

commit c875e8d055bbd7904bbcba1e103ccd9b3b1b7aab
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Sat Jun 22 12:45:47 2019 -0500

    Revert "sdk-platform.bst: No longer depend on shared-library-guard.bst"
    
    This reverts commit 2929c71715a2cb0a4d7cbbafbbe0997cfe623181.

 elements/sdk-platform.bst | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/elements/sdk-platform.bst b/elements/sdk-platform.bst
index d53c74c6..5673762a 100644
--- a/elements/sdk-platform.bst
+++ b/elements/sdk-platform.bst
@@ -235,6 +235,8 @@ depends:
   junction: freedesktop-sdk.bst
 - filename: components/zip.bst
   junction: freedesktop-sdk.bst
+- filename: components/shared-library-guard.bst
+  junction: freedesktop-sdk.bst
 - filename: components/alsa-lib.bst
   junction: freedesktop-sdk.bst
 - filename: components/alsa-plugins.bst