Fix: Supprime erreurs du a open_basedir

htdocs/lib/CMailFile.class.php

@@ -253,13 +253,15 @@ class CMailFile
      *            Utilisation pour le debuggage
      */
     function send_to_file()
+    {
+    	if (@is_writeable("/tmp"))	// Avoid fatal error on fopen with open_basedir
     	{
         	$fp = fopen("/tmp/dolibarr_mail","w");
         	fputs($fp, $this->headers);
         	fputs($fp, $this->message);
         	fclose($fp);
     	}
-
+    }
 
     /**
             \brief		Creation des headers smtp