pkg/51662: devel/libcfg+ fails to verify patch checksum on OS X

[js-pkgsrc%heap.zone@localhost]

>Number:         51662
>Category:       pkg
>Synopsis:       devel/libcfg+ fails to verify patch checksum on OS X
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Nov 27 01:20:00 +0000 2016
>Originator:     Jonathan Schleifer
>Release:        HEAD
>Organization:
>Environment:
Darwin Kernel Version 16.1.0: Thu Oct 13 21:26:57 PDT 2016; root:xnu-3789.21.3~60/RELEASE_X86_64 x86_64
>Description:
devel/libcfg+ is unable to verify the checksum for the patches. This is because the use of sed has been changed in a way so that OS X's sed complains about illegal bytes. Changing TOOLS_PLATFORM.sed to gsed works around the problem.
>How-To-Repeat:
Try to build devel/libcfg+ on OS X
>Fix: