$this->content_type == '' test causes E_NOTICE in php 5.1, when
authortokul <tokul@7612ce4b-ef26-0410-bec9-ea0150e637f0>
Sun, 27 Nov 2005 08:16:02 +0000 (08:16 +0000)
committertokul <tokul@7612ce4b-ef26-0410-bec9-ea0150e637f0>
Sun, 27 Nov 2005 08:16:02 +0000 (08:16 +0000)
commitae1c6dbe9d37c38672a6c22fdfaa189380fe5b20
treee23f9cc726c90523dad707e8f147bba14c5aaaa3
parente07525be59129c129bbf0b7ade1c08ae36f9d485
$this->content_type == '' test causes E_NOTICE in php 5.1, when
$this->content_type is object. content_type should always store ContentType
object and this code is only to make sure that parameter is not default
string.

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@10411 7612ce4b-ef26-0410-bec9-ea0150e637f0
class/mime/Rfc822Header.class.php