maint: we use Gnulib’s stddef-h module directly

* bootstrap.conf (gnulib_modules): Add stddef-h, since the code
uses ‘unreachable’ which is supplied by that module.

diff --git a/bootstrap.conf b/bootstrap.conf
index 1a2d961a1dd5febdebe9bfaa7049b04e1f73c0d2..ae94e181588e0d5495019a58fc4ed3b37f6342ab 100644 (file)
--- a/bootstrap.conf
+++ b/bootstrap.conf
@@ -256,6 +256,7 @@ gnulib_modules="
   stdc_leading_zeros
   stdc_trailing_zeros
   stdckdint-h
+  stddef-h
   stdlib-safer
   stpcpy
   str_endswith