[m4-common] Update autoconf-archive

[Sébastien Wilmet <swilmet src gnome org>]

commit e385dba544d2b2c7a7cb5cf0560d348bbc0ebc1c
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Wed Jan 24 10:52:43 2018 +0100

    Update autoconf-archive

 autoconf-archive |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/autoconf-archive b/autoconf-archive
index aea1451..b4488ed 160000
--- a/autoconf-archive
+++ b/autoconf-archive
@@ -1 +1 @@
-Subproject commit aea14513e483806fc1cac0216af0e5e82afa4dcd
+Subproject commit b4488ed1f9e976984d60239b10c1d16728586f38