Update git submodules

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

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index e44fee3..6915f19 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit e44fee30ac2abded56a37bfe8e312d880ef8db53
+Subproject commit 6915f19540ea78f44254a37c6e318ea5d0b0e4f6