Merge pull request #1226 from KENCHjp/release/v2.4.0-fork3

Release/v2.4.0

Author: KENCHjp

help/sakura/res/HLP000001.html

@@ -15,7 +15,7 @@
 -->
 <br>
 <center><hr width = "350px"></center>
-<center>サクラエディタ   Ver 2.4.0 (Beta5)</center>
+<center>サクラエディタ   Ver 2.4.0</center>
 <center>ヘルプファイル最終更新日 2020/03/19</center>
 <center><a href="https://sakura-editor.github.io/" target=_blank>https://sakura-editor.github.io/</a></center>
 <center><hr width = "350px"></center>