ports/52877: Non-Maintainer-Update: mail/postfix add support VDA softquotas patch

[Vivek Khera]

>>>>> "XB" == Xavier Beaudouin <kiwi at oav.net> writes:

XB> Here is the patch for 2.0.13, notice that it is also available at  
XB> http://www.oav.net/vda/postfix.patch as well

Looks ok to me, except I disagree with the bump of PORTREVISION.  It
is not necessary since no existing installations are affected.