Update git submodules

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

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index a0a017f..ef4e7b5 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit a0a017f918430fbd1c14c3af2718b993f0e9357c
+Subproject commit ef4e7b50f4dc76ca042ddda76cdcf4e5ed10d9f4