Automatic update of common submodule

From 48a5d85 to 3f4aa96

diff --git a/common b/common
index 48a5d85..3f4aa96 160000 (submodule)
--- a/common
+++ b/common
@@ -1 +1 @@
-Subproject commit 48a5d85ebf4a0bad1c997c83100f710fe2154fbf
+Subproject commit 3f4aa969cbe39584a649d98d4cf321d78bd73092