linux-c6-xorg-libs : Should CentOS-package libX11-common be included?

[Tijl Coosemans]

On Sat, 18 Feb 2017 20:06:10 +0100 Claude Krantz wrote:
> Neither the 'linux_base-c6' nor the 'linux-c6-xorg-libs' ports seem to
> provide the directory structure contained in the CentOS package
> 'libX11-common'
> (http://ftp.halifax.rwth-aachen.de/centos/6.8/os/x86_64/Packages/libX11-common-1.6.3-2.el6.noarch.rpm).
> 
> I found this package to be required for running Wolfram Mathematica 5.1
> (newer versions of Mathematica operate correctly without). This problem
> might affect more older X11-programs based on Motif, although I have no
> others to test.

I've added it in https://svnweb.freebsd.org/changeset/ports/445273