Issue #5915: Implement PEP 383, Non-decodable Bytes in
System Character Interfaces.
diff --git a/configure.in b/configure.in
index 6a1e231..ba43b21 100644
--- a/configure.in
+++ b/configure.in
@@ -2403,7 +2403,7 @@
clock confstr ctermid execv fchmod fchown fork fpathconf ftime ftruncate \
gai_strerror getgroups getlogin getloadavg getpeername getpgid getpid \
getpriority getpwent getspnam getspent getsid getwd \
- kill killpg lchmod lchown lstat mkfifo mknod mktime \
+ kill killpg lchmod lchown lstat mbrtowc mkfifo mknod mktime \
mremap nice pathconf pause plock poll pthread_init \
putenv readlink realpath \
select sem_open sem_timedwait sem_getvalue sem_unlink setegid seteuid \