Patch #568235: Add posix.setpgid.
diff --git a/pyconfig.h.in b/pyconfig.h.in
index 87b79ae..0606962 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -176,6 +176,9 @@
 /* Define to 1 if you have the `getpeername' function. */
 #undef HAVE_GETPEERNAME
 
+/* Define to 1 if you have the `getpgid' function. */
+#undef HAVE_GETPGID
+
 /* Define to 1 if you have the `getpgrp' function. */
 #undef HAVE_GETPGRP