updated event version to force initial controller mapping

Changes.txt

@@ -49,6 +49,11 @@
 -Have fun!
 
 
+6.2.1 to 6.2.2 (August 25, 2020)
+
+  * Fixed bug in initial controller mapping.
+
+
 6.2 to 6.2.1: (June 20, 2020)
 
   * Fixed Pitfall II ROM not working correctly.

src/emucore/Event.hxx

@@ -142,7 +142,7 @@ class Event
     };
 
     // Event list version, update only if the id of existing(!) event types changed
-    static constexpr Int32 VERSION = 4;
+    static constexpr Int32 VERSION = 5;
 
     using EventSet = std::set<Event::Type>;