title: Concatenating string and integer fails with "Type mismatch" error
body: <p>I have the following Inno Setup script, and I'm getting this error on the <code>SaveStringToFile</code> line:</p>
  <blockquote>
  <p>Type Mismatch</p>
  </blockquote>
  <p>Can anybody spot my mistake?</p>
  <p>Thank you!</p>
  <pre class="lang-pascal prettyprint-override"><code>var
    ErrorCode: Integer;
  begin
    ShellExec(
      'open', 'taskkill.exe', '/f /im procterm.exe', '', SW_HIDE,
      ewWaitUntilTerminated, ErrorCode);
  
    SaveStringToFile(
      'c:\program data\myapp\innolog.txt',
      'Error code for procterm was: ' + ErrorCode, True);
  end;
  </code></pre>