Patch #573770: Implement lchown.
diff --git a/pyconfig.h.in b/pyconfig.h.in
index 8a9a1ad..05a355b 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -211,6 +211,9 @@
    Solaris and Linux, the necessary defines are already defined.) */
 #undef HAVE_LARGEFILE_SUPPORT
 
+/* Define to 1 if you have the `lchown' function. */
+#undef HAVE_LCHOWN
+
 /* Define to 1 if you have the `dl' library (-ldl). */
 #undef HAVE_LIBDL