Update git submodules

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

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index de03c49..b521f50 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit de03c49e2ee70d978789e08d7b7332403ad0f374
+Subproject commit b521f501783fbe05bf8c5e08e7d42e8b3605d950