ports/168717: editors/libreoffice: does not compile

[J B]

> The trick is to remove boost.  Libreoffice uses its own bundled version.
>
> Chris

But it seems that libreoffice and the other ports/packages require the same
boost-* packages versions. So, libreoffice should not require to
remove them, only to install the same from its bundle you say (?), which
actually is a download from a distinct site as shown in my build log:
> => Attempting to fetch http://heanet.dl.sourceforge.net/project/boost/boost/1.48
> .0/boost_1_48_0.tar.bz2
> boost_1_48_0.tar.bz2                          100% of   46 MB  240 kBps 00m00s
> ===>  Extracting for boost-libs-1.48.0
> ...

The missing "REQUIRED_BY' file should be there too and include libreoffice and
the other ports/packages for the integrity of packages database, and thus any
package management utility like portmaster.

I just installed povray-3.7.0.r3_2 and here you go,
the boost-libs package database was updated:
# cat /var/db/pkg/boost-libs-1.48.0/+REQUIRED_BY
povray-3.7.0.r3_2

So should libreoffice.
Please reopen this PR until libreoffice build and packaging gets fixed.
jb