Use varargs format

@@ -51,8 +51,7 @@ public class LibreOfficeRenderer {
             File outputFile = File.createTempFile("bfdcs-", "-tmpl");
             UtilIO.writeString(outputFile, output.toString());
 
-            List<String> args = Arrays.asList(new String[]{"libreoffice", "--headless", "--convert-to", "pdf", outputFile.getPath(), "--outdir", "/tmp"});
-            ProcessBuilder pb = new ProcessBuilder(args);
+            ProcessBuilder pb = new ProcessBuilder("libreoffice", "--headless", "--convert-to", "pdf", outputFile.getPath(), "--outdir", "/tmp");
             Map<String, String> env = pb.environment();
             env.put("HOME", "/home/ofbiz");
             env.put("USERNAME", "ofbiz");