Pullup ticket #3691 - requested by tron

Pullup ticket #3691 - requested by tron
mail/postfix: build fix

Revisions pulled up:
- mail/postfix/distinfo                                         1.141
- mail/postfix/patches/patch-ag                                 1.33
- mail/postfix/patches/patch-ai                                 1.27

-------------------------------------------------------------------
   Module Name:	pkgsrc
   Committed By:	taca
   Date:		Mon Feb 27 03:01:30 UTC 2012

   Modified Files:
   	pkgsrc/mail/postfix: distinfo
   	pkgsrc/mail/postfix/patches: patch-ag patch-ai

   Log Message:
   Build fix for NetBSD 6.0_BETA.

   To generate a diff of this commit:
   cvs rdiff -u -r1.140 -r1.141 pkgsrc/mail/postfix/distinfo
   cvs rdiff -u -r1.32 -r1.33 pkgsrc/mail/postfix/patches/patch-ag
   cvs rdiff -u -r1.26 -r1.27 pkgsrc/mail/postfix/patches/patch-ai