Update git submodules

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

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 48aad3a..21f7077 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 48aad3a3181c6990abb84206027555d473cf71b3
+Subproject commit 21f70778390a1aa248acb97c1c9576419b642dc2