Fix automapping cache update position

Author: mnesarco

src/main/java/org/apache/ibatis/executor/resultset/DefaultResultSetHandler.java

@@ -475,8 +475,8 @@ private List<UnMappedColumAutoMapping> createAutomaticMappings(ResultSetWrapper
           }
         }
       }
+      autoMappingsCache.put(mapKey, autoMapping);
     }
-    autoMappingsCache.put(mapKey, autoMapping);
     return autoMapping;
   }