diff --git a/m4/nc b/m4/nc
index e1ca92a..aa946e5 160000
--- a/m4/nc
+++ b/m4/nc
@@ -1 +1 @@
-Subproject commit e1ca92aa7777a1d87b151bd391b5bbe50fcc81a0
+Subproject commit aa946e510ff3887a1cc7df63637fa5cb774b0e2b