Update git submodules

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

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 152ab48..a64fee1 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 152ab4897bf6489e475d8aa68b039884fd56e162
+Subproject commit a64fee1535d19bd350c2cc518098f58f3450ea5a