Small fix to mysql-5.1-engines, from merge from BUG #19773

sql/ha_federated.h

@@ -165,7 +165,7 @@ class ha_federated: public handler
       return errorcode otherwise
   */
   uint convert_row_to_internal_format(byte *buf, MYSQL_ROW row,
-                                      MYSQL_RES *row);
+                                      MYSQL_RES *result);
   bool create_where_from_key(String *to, KEY *key_info, 
                              const key_range *start_key,
                              const key_range *end_key,