build: update gnulib submodule to latest

diff --git a/gnulib b/gnulib
index e196f905d7673c9c9bfc951e1f3f6204cb7cc1eb..882da58ae6f34b4637240739ae37a1b5efd39cf6 160000 (submodule)
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit e196f905d7673c9c9bfc951e1f3f6204cb7cc1eb
+Subproject commit 882da58ae6f34b4637240739ae37a1b5efd39cf6