Build Failure on ports-10.12_x86_64: grafx2

[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/13999
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    grafx2
Subport list:
	- grafx2
Variants:     None
Revision:     f69b333771f5f01ecc299844513852e15c1800f6
Build time:   0:07:48
Author:       ken-cunningham-webuse <ken.cunningham.webuse at gmail.com>

Log from failed builds:
	Building 'grafx2' ... [ERROR]
	> maintainers: miniupnp at free.fr.

Broken ports:
	- grafx2

Responsible maintainers:
	- miniupnp at free.fr

Links to individual build jobs:
- ports-10.12_x86_64-builder #59775
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/59775

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