Update git submodules

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

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index b657707..638880a 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit b65770718b8b65f9bdeec0cc0f6276e6985228b1
+Subproject commit 638880aec2c0a21505720a204bd9ae0fcc83608c