--- openflow-2012-12-12.h	2015-07-23 09:54:17.216479365 -0700
+++ openflow-2013-01-04.h	2015-07-23 09:54:17.220479365 -0700
@@ -1754,6 +1754,9 @@
     OFPMP_EXPERIMENTER = 0xffff
 };
 
+/* Backward compatibility with 1.3.1 - avoid breaking the API. */
+#define ofp_multipart_types ofp_multipart_type
+
 enum ofp_multipart_request_flags {
     OFPMPF_REQ_MORE  = 1 << 0  /* More requests to follow. */
 };
