Update git submodules

[doc.git] / docs / submodules / so.git

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 65f7067..ef21117 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 65f706774bfd515efffb9afab407913eb9d1c08b
+Subproject commit ef21117befdbb9b0158d94789fb303d976584a8e