build: avoid warning from bootstrap about obsolete strdup module

* bootstrap.conf (gnulib_modules): Use the strdup-posix module,
rather than the "strdup" one.

diff --git a/bootstrap.conf b/bootstrap.conf
index eb2e271..6c9287d 100644 (file)
--- a/bootstrap.conf
+++ b/bootstrap.conf
@@ -54,7 +54,7 @@ gnulib_modules="
        progname
        safe-read
        stdbool
-       strdup
+       strdup-posix
        unlink
        update-copyright
        useless-if-before-free