portability: fix several issues with M4 subprocess.

[bison.git] / gnulib

diff --git a/gnulib b/gnulib
index 102c411be0dfd9ac6aa0bb6450415e87bf0842ca..9d0ad652de159d08e5f679842f8a2a5658196361 160000 (submodule)
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit 102c411be0dfd9ac6aa0bb6450415e87bf0842ca
+Subproject commit 9d0ad652de159d08e5f679842f8a2a5658196361