Fix portability problems with glibc 2.0, as reported in #449157.
diff --git a/configure b/configure
index 0d8ef9d..0e06ff0 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
#! /bin/sh
-# From configure.in Revision: 1.245
+# From configure.in Revision: 1.246
# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf version 2.13
@@ -4570,7 +4570,7 @@
# checks for library functions
for ac_func in alarm chown clock confstr ctermid ctermid_r execv \
flock fork fsync fdatasync fpathconf ftime ftruncate \
- getgroups getlogin getpeername getpid getpwent getwd \
+ gai_strerror getgroups getlogin getpeername getpid getpwent getwd \
hstrerror inet_pton kill link lstat mkfifo mktime mremap \
nice pathconf pause plock poll pthread_init \
putenv readlink \