Repair botched release serial number.
diff --git a/Include/patchlevel.h b/Include/patchlevel.h
index 4ace1e4..1e3dfc1 100644
--- a/Include/patchlevel.h
+++ b/Include/patchlevel.h
@@ -23,7 +23,7 @@
 #define PY_MINOR_VERSION	3
 #define PY_MICRO_VERSION	0
 #define PY_RELEASE_LEVEL	PY_RELEASE_LEVEL_FINAL
-#define PY_RELEASE_SERIAL	2
+#define PY_RELEASE_SERIAL	0
 
 /* Version as a string */
 #define PY_VERSION		"2.3"