Build Failure on ports-10.12_x86_64: pngmeta

[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/18316
Build reason: A build was forced by 'ryandesign <ryandesign at localhost>': force build
Port list:    pngpp poppler-data potrace ptex pngquant poppler-qt4-mac polyclipping poppler povray podofo pngmeta qiv pstoedit qimageblitz
Subport list:
	- pngmeta
Variants:     None
Revision:     
Build time:   0:04:31
Author:       

Log from failed builds:
	Building 'pngmeta' ... [ERROR]
	> maintainers: .

Broken ports:
	- pngmeta

Links to individual build jobs:
- ports-10.12_x86_64-builder #73087
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/73087

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