Merge pull request #1721 from dagwieers/import-errno

Import errno to avoid 'NameError: global name 'errno' is not defined'

lib/ansible/module_common.py

@@ -56,6 +56,7 @@ import stat
 import grp
 import pwd
 import platform
+import errno
 
 HAVE_SELINUX=False
 try: