[MacPorts] #53650: Update pcb to version 4.0.0

Sat Feb 25 00:36:22 UTC 2017

#53650: Update pcb to version 4.0.0
--------------------------+-----------------
 Reporter:  technobauble  |      Owner:
     Type:  update        |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:
 Keywords:                |       Port:  pcb
--------------------------+-----------------
 Version 4.0.0 was released in Jan 2017. This patch updates the version
 number and the checksums.

--
Ticket URL: <https://trac.macports.org/ticket/53650>
MacPorts <https://www.macports.org/>
Ports system for macOS