Merge pull request #9463 from yashodha/CRM-19685
authorYashodha Chaku <yashodha.chaku@webaccessglobal.com>
Wed, 30 Nov 2016 07:31:52 +0000 (13:01 +0530)
committerGitHub <noreply@github.com>
Wed, 30 Nov 2016 07:31:52 +0000 (13:01 +0530)
CRM-19685: Contacts preferred_mail_format can't be NULL


Trivial merge