fix for travis

htdocs/admin/tools/dolibarr_export.php

@@ -537,7 +537,7 @@ echo $file;
 ?>" /> <br>
 <br>
 
-<?php 
+<?php
 // Show compression choices
 print '<div class="formelementrow">';
 print "\n";

htdocs/admin/tools/export_files.php

@@ -110,7 +110,7 @@ $utils = new Utils($db);
 if ($compression == 'zip')
 {
     $ret = dol_compress_dir(DOL_DATA_ROOT, $outputdir."/".$file, $compression);
-    if ($ret < 0) 
+    if ($ret < 0)
     {
         $errormsg = $langs->trans("ErrorFailedToWriteInDir",$outputfile);
     }