Protect pyconfig.h from multiple inclusions.
diff --git a/configure b/configure
index 32b00b2..3c902f8 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 1.365 .
+# From configure.in Revision: 1.366 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.53 for python 2.3.
 #
@@ -1237,6 +1237,8 @@
 
 
 
+
+
 VERSION=2.3