Oops, we're working on version 9.2 already, not 9.1. Update the

PG_CONTROL_VERSION accordingly; I updated it wrong in previous commit.

src/include/catalog/pg_control.h

@@ -21,7 +21,7 @@
 
 
 /* Version identifier for this pg_control format */
-#define PG_CONTROL_VERSION	911
+#define PG_CONTROL_VERSION	921
 
 /*
  * Body of CheckPoint XLOG records.  This is declared here because we keep