Update git submodules

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

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 0d56268..15ecb55 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 0d562688867a1b2e7a34ee6416cd54f7a9f6b89e
+Subproject commit 15ecb55f2f045e2e185a94b4d4985d2563af8b40