Add a #define for the inet overlaps operator.

Extracted from pending inet selectivity patch.  The rest of it isn't
quite ready to commit, but we might as well push this part so the patch
doesn't have to track the moving target of pg_operator.h.

src/include/catalog/pg_operator.h

@@ -1142,18 +1142,19 @@ DATA(insert OID = 1206 (  ">="	   PGNSP PGUID b f f 869 869	 16 1204 1203 networ
 DESCR("greater than or equal");
 DATA(insert OID = 931  (  "<<"	   PGNSP PGUID b f f 869 869	 16 933		0 network_sub networksel networkjoinsel ));
 DESCR("is subnet");
-#define OID_INET_SUB_OP				  931
+#define OID_INET_SUB_OP			931
 DATA(insert OID = 932  (  "<<="    PGNSP PGUID b f f 869 869	 16 934		0 network_subeq networksel networkjoinsel ));
 DESCR("is subnet or equal");
-#define OID_INET_SUBEQ_OP				932
+#define OID_INET_SUBEQ_OP		932
 DATA(insert OID = 933  (  ">>"	   PGNSP PGUID b f f 869 869	 16 931		0 network_sup networksel networkjoinsel ));
 DESCR("is supernet");
-#define OID_INET_SUP_OP				  933
+#define OID_INET_SUP_OP			933
 DATA(insert OID = 934  (  ">>="    PGNSP PGUID b f f 869 869	 16 932		0 network_supeq networksel networkjoinsel ));
 DESCR("is supernet or equal");
-#define OID_INET_SUPEQ_OP				934
+#define OID_INET_SUPEQ_OP		934
 DATA(insert OID = 3552	(  "&&"    PGNSP PGUID b f f 869 869	 16 3552	0 network_overlap networksel networkjoinsel ));
 DESCR("overlaps (is subnet or supernet)");
+#define OID_INET_OVERLAP_OP		3552
 
 DATA(insert OID = 2634 (  "~"	   PGNSP PGUID l f f	  0 869 869 0 0 inetnot - - ));
 DESCR("bitwise not");