Update the license year

hirrolot · hirrolot · commit ad39ed768d80 · 2021-08-13T15:07:49.000+06:00
diff --git a/LICENSE b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2020 Hirrolot
+Copyright (c) 2020-2021 Hirrolot
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/datatype99.h b/datatype99.h
@@ -1,7 +1,7 @@
 /*
 MIT License
 
-Copyright (c) 2020 Hirrolot
+Copyright (c) 2020-2021 Hirrolot
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
