Update download size.

doc/LexillaDownload.html

@@ -50,7 +50,7 @@ <h4>
        The source code package contains all of the source code for Lexilla but no binary
 	executable code and is available in
        <ul>
-       <li><a href="https://www.scintilla.org/lexilla541.zip">zip format</a> (1.3M) commonly used on Windows</li>
+       <li><a href="https://www.scintilla.org/lexilla541.zip">zip format</a> (1.4M) commonly used on Windows</li>
        <li><a href="https://www.scintilla.org/lexilla541.tgz">tgz format</a> (1.0M) commonly used on Linux and compatible operating systems</li>
        </ul>
        Instructions for building on both Windows and Linux are included in the readme file.