Automatic update of common submodule

From 74a6857 to b613661

diff --git a/common b/common
index 74a6857d26a22d1419c89b00ba5acbc8e2a2c68a..b6136613ca6071ab017c46d796806326bdf8f3bb 160000 (submodule)
--- a/common
+++ b/common
@@ -1 +1 @@
-Subproject commit 74a6857d26a22d1419c89b00ba5acbc8e2a2c68a
+Subproject commit b6136613ca6071ab017c46d796806326bdf8f3bb