Update git submodules

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

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 2a278fe..6504ecd 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 2a278fedffa02f01f9fbc059fc25eab103cd7986
+Subproject commit 6504ecd498c7828d4f74774769002f7c3bb409f7