Add a test for fchdir().
This is part of SF feature #536796.
diff --git a/configure b/configure
index 9d3fb08..6bd6eca 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
#! /bin/sh
-# From configure.in Revision: 1.307 .
+# From configure.in Revision: 1.309 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.53.
#
@@ -11270,8 +11270,9 @@
+
for ac_func in alarm chown chroot clock confstr ctermid ctermid_r execv \
- flock fork fsync fdatasync fpathconf ftime ftruncate \
+ fchdir flock fork fsync fdatasync fpathconf ftime ftruncate \
gai_strerror getgroups getlogin getpeername getpid getpwent getwd \
hstrerror inet_pton kill killpg link lstat mkfifo mknod mktime mremap \
nice pathconf pause plock poll pthread_init \