Build Failure on ports-10.12_x86_64

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.12_x86_64
Full logs:    https://build.macports.org/builders/ports-10.12_x86_64-watcher/builds/25981
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    dovecot2
Subport list:
	- dovecot2
Variants:     None
Revision:     047ed826549cc9d38fd7eae40eb0a35dc2ba1e18
Build time:   0:25:25
Author:       Steven Thomas Smith <s.t.smith at ieee.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.12_x86_64-builder #97436
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/97436

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MacPorts Buildbot
https://build.macports.org/