portability: fix spawning on at least FreeBSD 8 and FreeBSD 9.

[bison.git] / gnulib

diff --git a/gnulib b/gnulib
index 9d0ad652de159d08e5f679842f8a2a5658196361..7bacd338464a463f3ba0c14effd86b71ce3672b4 160000 (submodule)
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit 9d0ad652de159d08e5f679842f8a2a5658196361
+Subproject commit 7bacd338464a463f3ba0c14effd86b71ce3672b4