mail/ezmlm-idx: 7.1.1 -> 7.2.2

• added mysql build fix

PR: 209879
Changes: http://untroubled.org/ezmlm/archive/7.2.2/CHANGES
Submitted by: Robert Schulze <rs@bytecamp.net>
Reviewed by: Vladimir Krstulja <vlad-fbsd@acheronmedia.com>, pawel