autoconf: update.

[bison.git] / submodules / autoconf

diff --git a/submodules/autoconf b/submodules/autoconf
index 0db9c1a19fbbdbf8728ec8d9c5a020d070ec23b2..80019ca5bd18ad32d54dec5e1a2d7888c2e70d67 160000 (submodule)
--- a/submodules/autoconf
+++ b/submodules/autoconf
@@ -1 +1 @@
-Subproject commit 0db9c1a19fbbdbf8728ec8d9c5a020d070ec23b2
+Subproject commit 80019ca5bd18ad32d54dec5e1a2d7888c2e70d67