Html2Pdf.php: recode setting of $this->logFile.

doc/NewVersion.md

@@ -31,8 +31,8 @@ Neue Versionsnummer
 
 4) Neuen Tag vergeben: 
 
-   git tag v0.17.2
-   git push -u origin v0.17.2
+   git tag v0.17.4
+   git push -u origin v0.17.4
 
 5) Per PhpStorm Sync aller Files auf VM qfq.
 

extension/qfq/qfq/report/Html2Pdf.php

@@ -218,6 +218,7 @@ class Html2Pdf {
         if ($this->logFile != '') {
             Logger::logMessage("Html2Pdf: $cmd", $this->logFile);
         }
+
         $rc = 0;
         $line = system($cmd, $rc);