return failures as int, not int, because sys.exit('0') will exit with return code 1

Thanks fabien !!


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@24131 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/tests/runFunctionalTest.py

@@ -264,7 +264,7 @@ Following tests failed:
     print summary
     print '-' * 79
     print file_content
-  return failures
+  return int(failures)
 
 if __name__ == "__main__":
   parseArgs()