Automatic update of common submodule

From 12af105 to 74a6857

diff --git a/common b/common
index 12af105..74a6857 160000 (submodule)
--- a/common
+++ b/common
@@ -1 +1 @@
-Subproject commit 12af105243823fc73581db4fd79a46f6d0268dc5
+Subproject commit 74a6857d26a22d1419c89b00ba5acbc8e2a2c68a